Answer
(2x+y)(x+y)
Work Step by Step
2$x^{2}$ + 3xy + $y^{2}$
= 2$x^{2}$ + 2xy + xy + $y^{2}$
= 2x(x+y) +y(x+y)
=(2x+y)(x+y)
2$x^{2}$ + 3xy + $y^{2}$ is a composite polynomial
(2x+y) and (x+y) are prime polynomials
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