Question

x+y into 2x + y into + x+2y into x_ y​

Answer 1

Answer:

4x+3y

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(x+y)(2x+y)(x+2y)(x-y)

(2x²+y²+3xy)(x+2y)(x-y)

(2x²+y²+3xy)(x²+2xy-2y²

2x⁴+y²x²+3x³y+4x³y+2y²x+6x²y²-4x²y²-2y⁴+6xy³

=2x⁴+3x²y²+7x³y+2y²x+6xy³

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