Verified answer

a-b + x(a-b) = 1(a-b) + x(a-b) = (1+x)(a-b)

You factor out the (a-b)

So you would have (a-b)* (1+x)

a-b + x(a-b)

1(a-b) + x(a-b)

(a - b)(1 + x)......ANSWER

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