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Multiply: x^2+y^2+z^2-x y+x z+y z\ by x...

Multiply: `x^2+y^2+z^2-x y+x z+y z\ ` by `x+y-z`

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To solve the problem of multiplying the expression \(x^2 + y^2 + z^2 - xy + xz + yz\) by \(x + y - z\), we will follow the steps of polynomial multiplication. ### Step-by-Step Solution: 1. **Write the expressions clearly**: We have: \[ (x^2 + y^2 + z^2 - xy + xz + yz) \cdot (x + y - z) ...
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