Question

Answer 1

a) \(\left(a-b\right)\left(a-b-b+a\right)=\left(a-b\right)\left(2a\right)\)

b)\(\left(a+b\right)\left(a^2-ab-a^2+ab-b^2\right)=\left(a+b\right)\left(-b^2\right)\)

c)\(\left(a+b\right)\left(1-x+x^2\right)\)

d)\(\left(a-b\right)\left(x^2+x-1\right)\)

e)\(\left(a+b\right)\left(c+1\right)\)

 

Answer 2

g)\(x^m\left(x^2-1\right)\)

h)\(\left(a+b-c\right)\left(x+1\right)\)

i)\(x\left(a+b+c\right)\left(x-1\right)\)

k)\(\left(8x+9\right)\left(7x-5y\right)\)