Factor the trinomial completely.
- $- 40 x ^ { 3 } - 84 x ^ { 2 } - 36 x$
A)x(-8x - 12)(5x + 3)
B)-4x(2x + 3)(5x + 3)
C)x(2x + 3)(-20x - 12)
D)-4(2x2 + 3)(5x + 3)

Name: Factor the trinomial completely. - $- 40 x ^ { 3 } - 84 x ^ { 2 } - 36 x$ A)x(-8x - 12)(5x + 3) B)-4x(2x + 3)(5x + 3) C)x(2x + 3)(-20x - 12) D)-4(2x2 + 3)(5x + 3)
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Question

Quizplus · Accepted Answer

First, factor out the greatest common factor, which is -4x, leaving -4x(10x^2 + 21x + 9). Then, factor the quadratic inside the parentheses to get -4x(2x + 3)(5x + 3).

Factor the Trinomial Completely −40x3−84x2−36x- 40 x ^ { 3 } - 84 x ^ { 2 } - 36 x−40x3−84x2−36x

Factor the Trinomial Completely $- 40 x ^ { 3 } - 84 x ^ { 2 } - 36 x$