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1. (x+y-z) ^2
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Answered by
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Answer:
x+y-z × x+y-z
Step-by-step explanation:
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Answered by
0
Step-by-step explanation:
(x+y−z)²= x²+ y² +z²+2(x)(y)−2(y)(z)−2(z)(x)
(x+y−z)² = x² + y² + z² + 2xy − 2yz − 2zx
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