Factor 4x^3 + 7x^2 - 15x?

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help me out haha !!

2007-11-26 13:23:02 · 3 answers · asked by Michael O 1 in Science & Mathematics ➔ Mathematics

x(4x^2+7x-15)

x ( 4x-5)(x+3)

2007-11-26 13:32:35 · answer #1 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋

first factor out an x to get
x (4x^2 + 7x - 15)
then you can factor the portion in the ( ) to get

x ( 4x - 5) ( x + 3)

2007-11-26 13:32:40 · answer #2 · answered by Anonymous · 0⤊ 0⤋

4X^3 + 7X^2 - 15X
X(4X^2 + 7X - 15)
X (X + 3) (4X - 5)

2007-11-26 13:42:12 · answer #3 · answered by Andrea K 2 · 0⤊ 0⤋