Question

Factor the following equation:
x^2 -x-90

Answer 1

Answer:

(x - 10)(x + 9)

Step-by-step explanation:

${x}^{2} - x - 90 \\ = {x}^{2} - 10x + 9x - 90 \\ = x(x - 10) + 9(x - 10) \\ = \red{ \boxed{ \bold{ (x - 10)(x + 9) }}}$