Question

Answer 1

a) \(a^3+b^3\)

b) \(\left(a+b+c\right)^2\)

c) \(\left(x+4\right)\left(x-4\right)\)

d) \(\dfrac{1}{2}h\left(a+b\right)\)

e) \(\left(2x+1\right)^2+\left(2n+3\right)^2\)

f) \(a\left(a+1\right)\left(a+2\right)\left(a+3\right)\)

g) \(\left(2a+1\right)\left(2a+3\right)\)

h) \(2a+\left(2a+2\right)\)

i) \(\left(x+y\right)\left(x^2-y^2\right)\)

j) \(xy+5\left(x+y\right)^2\)

Answer 2

a) \(a^3+b^3\)

b) \(\left(a+b+c\right)^2\)

c) \(\left(x+4\right)\left(x-4\right)\)

Answer 3

d) \(\dfrac{1}{2}h\left(a+b\right)\)

e) \(\left(2x+1\right)^2+\left(2n+3\right)^2\) 

f) \(a\left(a+1\right)\left(a+2\right)\left(a+3\right)\)

g) \(\left(2a+1\right)\left(2a+3\right)\)