Factor the following trinomial by grouping 9x^3+30x^2+24x

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asked Jan 26, 2017 208k views

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Factor the following trinomial by grouping

9x^3+30x^2+24x

Mathematics
high-school

Foxhunt asked

by Foxhunt

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$9x^3+30x^2+24x \\ \\ gcf = 3x \\ \\ 3x ( (9x^3)/(3x) + (30x^2)/(3x) + (24x)/(3x) ) \\ \\ 3x(3x^2 + 10x + 8) \\ \\ 3x ( 3x^2 + 6x + 4x + 8) \\ \\ 3x(3x(x + 2) + 4(x + 2)) \\ \\ 3x(x + 2)(3x + 4) \\ \\$

The final result is: 3x(x + 2)(3x + 4).

Mathias Dolidon answered Jan 29, 2017

by Mathias Dolidon

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2 votes

Factor

9x3+30x2+24x
9x3+30x2+24x
=3x(3x+4)(x+2)

Rafael Delboni answered Jan 31, 2017

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