Question 946731
ax-bx-ay+by


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


ax-bx-ay+by
Rearrange based on commutative property for addition
ax-ay-bx+by
a(x-y)-b(x-y)
(a-b)(x-y)