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Algebra - Expanding Double Brackets

The website www.symbolab.com shows step-by-step solutions on its expanding brackets calculator



  a - answer    s - solution    v - video

Question 1


Expand the brackets

a) $(x+1)(x+2)$  a s v
b) $(x+2)(x+3)$  a s v
c) $(x+4)(x+6)$  a s v
d) $(x+7)(x+2)$  a s v
e) $(x+2)(x+10)$  a s v
f) $(x+9)(x+3)$  a s v
g) $(x+4)(x+7)$  a s v
h) $(x+10)(x+11)$  a s v
i) $(x+1)(x+50)$  a s v
j) $(x+4)(x+4)$  a s v
k) ${(x+4)}^2$  a s v
l) ${(x+5)}^2$  a s v


Question 2


Expand the brackets

a) $(x-1)(x-2)$  a s v
b) $(x-3)(x-5)$  a s v
c) $(x-6)(x-7)$  a s v
d) $(x-7)(x-3)$  a s v
e) $(x-9)(x-8)$  a s v
f) $(x-3)(x-10)$  a s v
g) $(x-1)(x-18)$  a s v
h) $(x-13)(x-12)$  a s v
i) $(x-3)(x-3)$  a s v
j) ${(x-3)}^2$  a s v
k) ${(x-6)}^2$  a s v
l) ${(x-10)}^2$  a s v


Question 3


Expand the brackets

a) $(x+5)(x-2)$  a s v
b) $(x+6)(x-2)$  a s v
c) $(x+2)(x-5)$  a s v
d) $(x+5)(x-7)$  a s v
e) $(x-5)(x+2)$  a s v
f) $(x-10)(x+3)$  a s v
g) $(x-3)(x+6)$  a s v
h) $(x-9)(x+10)$  a s v
i) $(x-15)(x+22)$  a s v
j) $(x-9)(x+9)$  a s v
k) $(x-4)(x+4)$  a s v
l) $(x-10)(x+10)$  a s v


Question 4


Expand the brackets

a) $(2x+1)(x+2)$  a s v
b) $(3x+2)(x+1)$  a s v
c) $(5x+3)(x+4)$  a s v
d) $(10x+1)(x+1)$  a s v
e) $(6x+5)(x+4)$  a s v
f) $(8x+3)(x+7)$  a s v
g) $(9x+1)(x+10)$  a s v
h) $(2x-1)(x+3)$  a s v
i) $(3x-4)(x+4)$  a s v
j) $(2x+3)(x-1)$  a s v
k) $(4x+3)(x-2)$  a s v
l) $(2x-2)(x-1)$  a s v
m) $(3x-4)(x-3)$  a s v
n) $(x+3)(2x+1)$  a s v
o) $(x-3)(3x+2)$  a s v
p) $(x-4)(4x-5)$  a s v


Question 5


Expand the brackets

a) $(2x+1)(3x+1)$  a s v
b) $(2x+2)(3x+4)$  a s v
c) $(3x+4)(5x+2)$  a s v
d) $(6x+1)(8x+5)$  a s v
e) $(7x+2)(10x+1)$  a s v
f) $(3x+5)(12x+3)$  a s v
g) $(2x-1)(3x+2)$  a s v
h) $(3x+1)(4x-2)$  a s v
i) $(5x-6)(2x+2)$  a s v
j) $(3x-2)(2x-3)$  a s v
k) $(5x-1)(3x-5)$  a s v
l) $(8x-2)(6x-3)$  a s v


Question 6


Expand the brackets

a) $(3+x)(x-2)$  a s v
b) $(4-x)(x-4)$  a s v
c) $(2x-3)(3+x)$  a s v
d) $(4-x)(5-2x)$  a s v
e) $(y-2)(4-2y)$  a s v
f) $(4-z)(4+z)$  a s v
g) ${(2x+3)}^2$  a s v
h) ${(4x-3)}^2$  a s v
i) ${(8-r)}^2$  a s v
j) ${(3-2e)}^2$  a s v
k) $(a+1)(b+2)$  a s v
l) $(2m-3)(n+2)$  a s v
m) $(4-5p)(3-2p)$  a s v
n) $(x^2+3)(x^2+4)$  a s v
o) $(3x^2+2)(2x^2+1)$  a s v
p) $(5x^2-7)(2x^2+3)$  a s v
q) $(8+k^2)(k^2-4)$  a s v
r) $(q+7)(q^2+2)$  a s v
s) $(p^3-1)(p^4+2)$  a s v
t) $(9f^2+8)(3f-2)$  a s v


Question 7


Expand the brackets

a) $\left(\frac1x+x\right)(x+2)$  a s v
b) $\left(\frac{1}{x}+1\right)\left(\frac{1}{x}+1\right)$  a s v
c) $\left(\frac{1}{x}+x\right)\left(\frac{1}{x}+x\right)$  a s v
d) $\left(\frac{2}{x}+x\right)\left(\frac{3}{x}+x\right)$  a s v
e) $\left(\frac{1}{x^2}+x\right)\left(\frac{1}{x^2}+x\right)$  a s v
f) $\left(\frac{1}{x^2}+x^2\right)^2$  a s v
g) $\left(\frac{1}{x^2}+\frac{1}{x}\right)^2$  a s v
h) $\left(\frac{2}{x^2}+x^2\right)^2$  a s v
i) $\left(\frac{2}{x^2}+\frac{3}{x}\right)^2$  a s v
j) $\left(4x+\frac{1}{4x}\right)^2$  a s v
k) $\left(x-\frac{1}{x}\right)^2$  a s v
l) $\left(2x-\frac{1}{x^2}\right)\left(x+\frac{3}{x^2}\right)$  a s v


Question 8


Expand the brackets and simplify

a) $(x+2)(x+3)+4$  a s v
b) $(x+5)(x+2)+10$  a s v
c) $(x+2)(x-2)+4$  a s v
d) ${(x+6)}^2+12x$  a s v
e) $(2x+3)(x+1)+x^2$  a s v
f) $(x-3)(3x+2)-x^2$  a s v
g) $(5x-2)(6x+1)+2x+1$  a s v
h) $(x+4)(x+5)+2(x+3)$  a s v
i) $(2x+1)(x+1)+3(x-2)$  a s v
j) $(5x-3)(2x-1)-(x+2)$  a s v
k) ${(3x-1)}^2+5(x-3)$  a s v
l) ${(2-3x)}^2+x(x+1)$  a s v
m) $(4x-3)(6x+8)+x(2x-3)$  a s v
n) $(3x^2+1)(2x^2-3)+3x^2(x-4)$  a s v


Question 9


Expand the brackets and simplify

a) $(x+1)(x+2)+(x+2)(x+3)$  a s v
b) $(x+5)(x+7)+(x+3)(x+8)$  a s v
c) $(x+3)(x-2)+(x+5)(x-2)$  a s v
d) $(2x-1)(x+2)+(3x+2)(x-2)$  a s v
e) $(6x+3)(x-1)+(4x-1)(5x+6)$  a s v
f) $(3x+1)(3x+4)-(2x+2)(x+1)$  a s v
g) $(3x-1)(2x-3)-(4x-1)(3x-2)$  a s v
h) ${(5x-2)}^2+(2x-1)(5x-2)$  a s v
i) ${(2x+1)}^2+{(x+9)}^2$  a s v
j) ${(4x-1)}^2-{(3x+2)}^2$  a s v
k) $(2x-5)(2x+5)-(4x-1)(4x+1)$  a s v
l) $(2x+2)(x-6)-{(x-1)}^2+(x+6)(2x-3)$  a s v


Question 10


Expand the brackets and simplify

a) $(x+y+1)(x+y+1)$  a s v
b) $(x^2+x+1)(x^2+x+1)$  a s v
c) ${(3y+2z+2)}^2$  a s v
d) $(3a+2b+c)(4a+3b+2c)$  a s v
e) $(p-q+r)(q-p-r)$  a s v
f) ${(x+1)}^3$  a s v
g) ${(2y-1)}^3$  a s v
h) ${(4z-3)}^2{(2w+5)}^2$  a s v
i) $s^2(3s-5t+8u)(5s-5t-u)$  a s v
j) $3{(x+y)}^2(4x-7y+z)(2x^2-5y-8)$  a s v
k) ${(5-s)}^3-{(4s+1)}^3$  a s v
l) $3{(2p-1)}^2{(7q+3)}^2-8{(7-8q)}^2\times 3{(11q+9)}^2$  a s v