simplify the expression: (x+y)² + (2x-y)²
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Answered by
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(x+y)² + (2x-y)²
=x^2+2xy+y^2+4x^2-4xy +y^2
=5x^2-2xy+2y^2
Hope it helps
=x^2+2xy+y^2+4x^2-4xy +y^2
=5x^2-2xy+2y^2
Hope it helps
kotharineha92:
5x2+2y2-2xy is the answer to the question
whts the difference... all u hv done is arranged it..
Answered by
2
(x+y)^2+(2x-y)^2
x^2+y^2+2xy+4x^2+y^2-4xy
5x^2+ 2y^2- 2xy
x^2+y^2+2xy+4x^2+y^2-4xy
5x^2+ 2y^2- 2xy
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