Simplify the equation $\frac{(wx - xy - wz + yz)(w + z)}{z^2 - w^2}$

      

Simplify the equation $\frac{(wx - xy - wz + yz)(w + z)}{z^2 - w^2}$

  

Answers

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=$\frac{x(w - y) - z(w - y)(w + z)}{(z + w)}$

$\frac{(x - z)(w - y)(w + z)}{(z - w)(z + w)}$

After cancelling out (z + w), you get

$\frac{(x - z)(w - y)}{(z - w)}$

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raphael answered the question on January 23, 2017 at 15:29

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