Simplify the polynomial by combining like terms.
-$- 4 y ^ { 3 } - 19 + 11 m ^ { 2 } n ^ { 2 } - 20 + 9 n ^ { 2 } m ^ { 2 }$
A) $- 4 y ^ { 3 } + 20 m ^ { 2 } n ^ { 2 } - 39$
B)cannot be simplified
C) $- 4 y ^ { 3 } + 99 m ^ { 2 } n ^ { 2 } - 39$
D) $- 4 y ^ { 3 } + 20 m ^ { 2 } n ^ { 2 } + 1$

Question

Quizplus · Accepted Answer

The terms $11 m ^ { 2 } n ^ { 2 }$ and $9 n ^ { 2 } m ^ { 2 }$ are like terms and can be combined to $20 m ^ { 2 } n ^ { 2 }$. The constants $-19$ and $-20$ combine to $-39$. The term $- 4 y ^ { 3 }$ remains unchanged.

Simplify the Polynomial by Combining Like Terms −4y3−19+11m2n2−20+9n2m2- 4 y ^ { 3 } - 19 + 11 m ^ { 2 } n ^ { 2 } - 20 + 9 n ^ { 2 } m ^ { 2 }−4y3−19+11m2n2−20+9n2m2

Simplify the Polynomial by Combining Like Terms $- 4 y ^ { 3 } - 19 + 11 m ^ { 2 } n ^ { 2 } - 20 + 9 n ^ { 2 } m ^ { 2 }$