You can put this solution on YOUR website! Factor the trinomials completely.....
4x^3+18x^2+18x=
Pull out what's common among all three terms: 2x:
2x(2x^2+9x+9)
Now, factor the polynomial within the parenthesis:
2x(2x+3)(x+3)
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Factor completely...
3x^2+4x-7
(3x+3)(x-1)
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Factor the trinomial completely
14y^3-66y^2-20y=
2y(7y^2 - 33y - 10)
2y(7y+2)(y-5)