Question

Factorise x2 - 2x - 8

Answer 1

Answer:

$x2 - 2x - 8 \\ x2 - 2x = 0 \\ 0 - 8 = 0$

Answer 2

Step-by-step explanation:

x

2

−2x−8

We can Split the Middle Term of this expression to factorize it.

⇒ x

2

−4x+2x−8

⇒ x(x−4)+2(x−4)

⇒ (x−4)(x+2)

∴ x=4 or x=−2