How do you factor this polynomial as a product of more than two factors? x3+8x2+15x

asked Apr 6, 2016 68.3k views

2 votes

How do you factor this polynomial as a product of more than two factors?
x3+8x2+15x

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5 votes

$x^3+8x^2+15x =\\ x(x^2+8x+15)=\\ x(x^2+3x+5x+15)=\\ x(x(x+3)+5(x+3))=\\ x(x+5)(x+3)$

Bozho answered Apr 11, 2016