Question

a(x - y) -b (y - x)
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Answer 1

Answer:

= ax-ay-by+bx is the answer

Answer 2

Answer:

(a+b)(x-y)

Step-by-step explanation:

a(x-y)-b(y-x)

= ax - ay - by + bx

= ax+bx-ay-by

=x(a+b)-y(a+b)

=(a+b)(x-y)