Question

FA......TO........RE .....

Answer 1

a)
$ax + ay - bx - by \\ a(x + y) - b(x + y)$
b)
$ax - 4a + 6x - 24 \\ a(x - 4) + 6(x - 4)$
c)
${x}^{2} - bx - 2ax + 2ab \\ x(x - b) - 2ax + 2ab \\ x(x - b) - 2(ax + ab)$
d)
${a}^{2} y - {a}^{3} + 3ab - 3by \\ a(ay - {a}^{2} ) + 3ab - 3by \\ a(ay - {a}^{2} ) + b(3a - 3y)$