Question

factorize x² - x - 2​

Answer 1

step1:Split the middle term as -2x+x = -x

= x^2 - 2x + x - 2

step 2: take common x from first two terms and +1 from last two terms.

= x(x - 2) + 1(x - 2)

step 3: take common (x - 2)

= (x - 2)(x + 1)

Therefore, factors are :

(x - 2) and (x + 1)

Answer 2

x^2-x-2

=x^2-2x+x-2

=x(x-2) +2(x-2)

=(x-2) (x-2).