Factor the polynomial completely.
-$12 x ^ { 2 } - 42 x - 24$
A) $6 ( 2 x + 1 ) ( x - 4 )$
B) prime polynomial
C) $6 ( 2 x - 1 ) ( x + 4 )$
D) $( 12 x - 6 ) ( x + 4 )$

Question

Quizplus · Accepted Answer

First, factor out the greatest common factor (GCF) which is 6, giving $6(2x^2 - 7x - 4)$. Then, factor the quadratic inside the parentheses to get $6(2x + 1)(x - 4)$.

Factor the Polynomial Completely 12x2−42x−2412 x ^ { 2 } - 42 x - 2412x2−42x−24

Factor the Polynomial Completely $12 x ^ { 2 } - 42 x - 24$