Question

4. Simplify :(x+y+z)2 + (x+y-z)?​

Answer 1

Answer:

x^3+y^3-Z^1

Step-by-step explanation:

(X2+y2+z2)+x+y+z

x^3+y^3-z^1

Answer 2

Answer:

x^3+y^3-Z^1

Step-by-step explanation:

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