Question

Factorise
1. x²+xy+8x+8y
2.ax+bx-ay-by
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Answer 1

Answer:

1.

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

2.

Step-by-step explanation:

$ax + bx - ay - by \\ = x(a + b) - y(a + b) \\ = (a + b)(x - y)$