Question

5.
Add the product: x(x+y=r), y(x+y+r), z(x-y–z)
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Answer 1

Answer:

do it yourself it will help your brain

Answer 2

$\huge\tt{❥Answer}$

${x}^{2} + xy - rx + xy - {y}^{2} + ry + xz \\ - yz - {z}^{2} \\ {x}^{2} - {y}^{2} - {z}^{2} + 2 xy - rx + ry + xz \\ - yz \\ {x}^{2} - {y}^{2} - {z}^{2} + 2xy - r(x + y) + z \\ (x - y)$