Math, asked by vr6615742, 7 months ago

expand (-2x+3y-z)whole square

Answers

Answered by jahnavi7978

2

(-2x + 3y - z)² = (-2x)² + (3y)² + (-z)² + 2(xy + yz + zx)

= 4x² + 9y² + z² + 2xy + 2yz + 2zx

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