Question

Factorise x^-x-2.Please do it fast.

Answer 1

(x-2)(X+1)

Solution,

`{x}^(2) - x - 2 \\ = {x}^(2) - (2 - 1)x - 2 \\ = {x}^(2) - 2x + x - 2 \\ = x(x - 2) + 1(x - 2) \\ = (x - 2)(x + 1)`

Hope this helps...

Good luck on your assignment..