Divide. Assume all variables are nonzero.
-$\frac { 20 x ^ { 4 } - 20 x ^ { 3 } - 15 x ^ { 2 } - 20 x } { 5 x }$
A) $4 x ^ { 3 } + 4 x ^ { 2 } - 3 x - 4$
B) $4 x ^ { 3 } - 4 x ^ { 2 } - 3 x - 4$
C) $4 x ^ { 3 } - 4 x ^ { 2 } + 3 x - 4$
D) $4 x ^ { 3 } - 4 x ^ { 2 } - 3 x + 4$

Question

Quizplus · Accepted Answer

To divide, we can use polynomial long division or simplify the expression by factoring out the common factor of $5x$ from the numerator. Either way, we are left with $4x^3-4x^2-3x-4$. Therefore, the correct choice is $\boxed{	ext{B}}$.

Divide Assume All Variables Are Nonzero 20x4−20x3−15x2−20x5x\frac { 20 x ^ { 4 } - 20 x ^ { 3 } - 15 x ^ { 2 } - 20 x } { 5 x }5x20x4−20x3−15x2−20x​

Divide Assume All Variables Are Nonzero $\frac { 20 x ^ { 4 } - 20 x ^ { 3 } - 15 x ^ { 2 } - 20 x } { 5 x }$