Question

expand using identity (3x-2y-z)^2

Answer 1

Answer:

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Answer 2

Answer:

[3x+(-2y)+(-z)]^2

(3x)^2+(-2y)^2+(-z)^2+2(3x)(-2y)+2(-2y)(-z)+2(-z)(3x)

9x^2+4y^2+z^2-12xy+4yz-6xz