Question

factorise x square - X - 72​

Answer 1

Answer:

$x {}^{2} - x - 72 \\ = x {}^{2} + 8x - 9x - 72 \\ = x( x + 8) - 9(x + 8) \\ = (x - 9)(x + 8)$

Answer 2

Answer: please see in attachment

Step-by-step explanation:x^2-9x+8x+72=x(x+8)-9(x+8)=

(x-9)(x+8)