Question

multiply (3x+y) and 2(x+2y)​

Answer 1

Answer:

6x2+14xy+4y2

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Answer 2

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(3x+y)×2(x+2y)

(3x+y)(x2)(x+2y)

=((3x+y)(x2))(x+2y)

=((3x+y)(x2))(x)+((3x+y)(x2))(2y)

=3x^4+x3y+6x3y+2x2y^2

=3x^4+7x3y+2x2y^2

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