SOLUTION: Show two methods of factoring the expression ax - bx - ay + by. Is the result the same?

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Question 946731: Show two methods of factoring the expression ax - bx - ay + by. Is the result the same?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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)