Simplify the polynomial by combining like terms.
-$$3 x ^ { 9 } + 11 x ^ { 4 } + 13 x ^ { 9 } + 3 x ^ { 9 } - 1 x ^ { 4 }$$
A) $19 x ^ { 9 } + 10 x ^ { 4 }$
B) $29 \mathrm { x } ^ { 9 }$
C) $3 x ^ { 9 } + 11 x ^ { 4 } + 13 x ^ { 9 } + 3 x ^ { 9 } - 1 x ^ { 4 }$
D) $29 x ^ { 9 } + 29 x ^ { 4 }$

Question

Quizplus · Accepted Answer

To simplify the polynomial, combine like terms: $3x^9 + 13x^9 + 3x^9 = 19x^9$ and $11x^4 - 1x^4 = 10x^4$, resulting in $19x^9 + 10x^4$.

Simplify the Polynomial by Combining Like Terms 3x9+11x4+13x9+3x9−1x43 x ^ { 9 } + 11 x ^ { 4 } + 13 x ^ { 9 } + 3 x ^ { 9 } - 1 x ^ { 4 }3x9+11x4+13x9+3x9−1x4

Simplify the Polynomial by Combining Like Terms $3 x ^ { 9 } + 11 x ^ { 4 } + 13 x ^ { 9 } + 3 x ^ { 9 } - 1 x ^ { 4 }$