Question

Expanded form of (x+y-z)^2 is

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

(x + y - z)²

= x² + y² + (-z)² + 2xy + 2y(-z) + 2(-z)x

= x² + y² + z² + 2xy - 2yz - 2zx