Simplify by combining like terms.
-$8 x ^ { 9 } - 2 x ^ { 8 } - 8 x ^ { 9 } - 8 x ^ { 9 } + 8 x ^ { 8 }$
A)- $- 8 x ^ { 9 } + 6 x ^ { 8 }$
B) $- 2 x ^ { 9 }$
C) $8 x ^ { 9 } - 2 x ^ { 8 } - 8 x ^ { 9 } - 8 x ^ { 9 } + 8 x ^ { 8 }$
D) $- 2 x ^ { 9 } - 2 x ^ { 8 }$

Question

Quizplus · Accepted Answer

Combining like terms: $8x^9 - 8x^9 - 8x^9 = -8x^9$ and $-2x^8 + 8x^8 = 6x^8$, resulting in $-8x^9 + 6x^8$.

Simplify by Combining Like Terms 8x9−2x8−8x9−8x9+8x88 x ^ { 9 } - 2 x ^ { 8 } - 8 x ^ { 9 } - 8 x ^ { 9 } + 8 x ^ { 8 }8x9−2x8−8x9−8x9+8x8

Simplify by Combining Like Terms $8 x ^ { 9 } - 2 x ^ { 8 } - 8 x ^ { 9 } - 8 x ^ { 9 } + 8 x ^ { 8 }$