Question

2.Simplify

(2x +y-z)(square) - (2x -y+z)(square)

Answer 1

Answer:

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

{2x+y-z+(2x-y+z)}{2x+y-z-(2x-y+z)}

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

(4x)(2y-2z)

8xy-8xz

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