Question

simplify :(x+y+z)(x+y-z)​

Answer 1

Step-by-step explanation:

Expand (x+y+z)(x−y−z)(x+y+z)(x-y-z) by multiplying each term in the first expression by each term in the second expression.

Expand (x+y+z)(x−y−z)(x+y+z)(x-y-z) by multiplying each term in the first expression by each term in the second expression.x⋅x+x(−y)+x(−z)+yx+y(−y)+y(−z)+zx+z(−y)+z(−z

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