Question

solution of (x + y - z) x + (z + x - y) y - (x + y - z) z ???​

Answer 1

(x + y - z) x + (z + x - y) y - (x + y - z) z ???

= x2+xy-zx+zy+xy-y2-zx-yz+z2

= x2-y2+z2+2xy-2zx

Answer 2

Answer:

2x+2z+2y

Explanation:

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