Simplify the polynomial by combining like terms.
-$$- 15 x ^ { 9 } + 4 x ^ { 6 } + x ^ { 9 } + 6 x ^ { 9 }$$
A) $- 4 x 18$
B) $- 8 x ^ { 9 } + 4 x ^ { 6 }$
C) $- 4 x ^ { 9 } - 4 x ^ { 6 }$
D) $- 15 x ^ { 9 } + 4 x ^ { 6 } + x ^ { 9 } + 6 x ^ { 9 }$

Question

Quizplus · Accepted Answer

To simplify the polynomial, combine like terms: $-15x^9 + x^9 + 6x^9 = -8x^9$, so the simplified form is $-8x^9 + 4x^6$.

Simplify the Polynomial by Combining Like Terms −15x9+4x6+x9+6x9- 15 x ^ { 9 } + 4 x ^ { 6 } + x ^ { 9 } + 6 x ^ { 9 }−15x9+4x6+x9+6x9

Simplify the Polynomial by Combining Like Terms $- 15 x ^ { 9 } + 4 x ^ { 6 } + x ^ { 9 } + 6 x ^ { 9 }$