How do you factor $12 x^{3} + 2 x^{2} - 30 x - 5$ $12x^3 +2x^2-30x-5$ ?

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How do you factor $12 x^{3} + 2 x^{2} - 30 x - 5$ $12x^3 +2x^2-30x-5$ ?

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Answer 1 · 2018-07-20T07:02:08

$(6 x + 1) (2 x^{2} - 5)$ $(6x+1)(2x^2-5)$

Explanation:

$factor by grouping$ $"factor by "color(blue)"grouping"$

$2 x^{2} (6 x + 1) - 5 (6 x + 1)$ $2x^2(6x+1)-5(6x+1)$

$take out the common factor (6 x + 1)$ $"take out the "color(blue)"common factor "(6x+1)$

$= (6 x + 1) (2 x^{2} - 5)$ $=(6x+1)(2x^2-5)$

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How do you factor $12 x^{3} + 2 x^{2} - 30 x - 5$ $12x^3 +2x^2-30x-5$ ?

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How do you factor $12 x^{3} + 2 x^{2} - 30 x - 5$ $12x^3 +2x^2-30x-5$ ?