Question

Factorise the following expression
a. 8^2 + 72y + 8xy + 72x
please give the answer​

Answer 1

Answer:

$8(x + y)(x + 9)$

Step-by-step explanation:

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