Simplify (x-y)^2+4xy – InterviewSolution

1.

Simplify (x-y)^2+4xy

Answer»

HOPE u the answer HELP u

Step-by-step EXPLANATION:

(x-y)²+4xy

x²+y²-2xy+4xy . (from (a-b)²formula =a²+b²-2ab )

x²+y²+2xy (it is the form of (a+b)²=a²+b²+2ab)

(x+y)²

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