Question

factorise.
(x + y)^2 + 8(x + y)

Answer 1

\[(x + y)^2 + 8(x + y)= (x+y) (x+y +8)

\]

Answer 2

Practice factoring problems on
http://www.saab.org/mathdrills/factor.cgi

Answer 3

@Danndann if you had $$\Huge a^2+8a$$ how would you factor it?

Answer 4

just yank out the (x+y)

Answer 5

@skullpatrol a(a + 8) ?

Answer 6

Correct.
Now let a = x+ y

Answer 7

$$\Huge (x + y)^2 + 8(x + y)$$ $$\Huge \text{Let } a= x+y.$$
$$\Huge \text{Then } (x + y)^2 + 8(x + y) = a^2+8a.$$