Question

Factorise x2 + x - 12

Answer 1

1,12
2,6
3,4
thats all
since its -12 , one will be negative and one will be positive.
since there's 1X, the two numbers differ by 1 only 3 & 4 fit so it's 4+ and -3
(X+4)*(X-3)

Answer 2

`x^2+x-12`
Answer:

`=(x-3)(x+4)`