Question

if the side of a square is (x+2y-z)units then area of square is​

Answer 1

Answer:

here you go.

Step-by-step explanation:

(x+2y−z)2=x2+4y2+z2+4xy−4yz−2xz(x+2y-z)2=x2+4y2+z2+4xy-4yz-2xz

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