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Write the expression as a product of polynomials:

z(x−y)+y−x

User John Rizzo
by
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1 Answer

4 votes

Answer:

(z - 1)(x - y)

Explanation:


\begin{array}{rcll}f(x,y,z) & = & z(x - y) + y - x & \\& = &z(x - y) - 1(x - y) & \text{Factored -1 from the last two terms}\\& = & \mathbf{(z - 1)(x - y)} & \text{Factored out (x - y)}\\\end{array}

User Qid
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