## College Algebra (6th Edition)

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