Simplify the following by combining like terms.
-$- 8 m ^ { 3 } + 5 m ^ { 3 }$
A) $- 9 \mathrm {~m}$
B) $- 3 m ^ { 3 }$
C) $- 3 m ^ { 6 }$
D) cannot be simplified

Question

Quizplus · Accepted Answer

When combining like terms, you add or subtract the coefficients (numbers in front) of the terms that have the same variable raised to the same power. Here, $-8m^3 + 5m^3 = -3m^3$.

Simplify the Following by Combining Like Terms −8m3+5m3- 8 m ^ { 3 } + 5 m ^ { 3 }−8m3+5m3

Simplify the Following by Combining Like Terms $- 8 m ^ { 3 } + 5 m ^ { 3 }$