Simplify the polynomial by combining like terms.
-$7 x ^ { 8 } + 9 x ^ { 6 } + 7 x ^ { 8 }$
A) $14 x ^ { 8 } + 9 x ^ { 6 }$
B) $23 x ^ { 22 }$
C) $23 x^ { 6 }$
D) cannot be simplified

Question

Quizplus · Accepted Answer

The terms $7 x^8$ and $7 x^8$ are like terms and can be combined to $14 x^8$, while $9 x^6$ remains unchanged, resulting in $14 x^8 + 9 x^6$.

Simplify the Polynomial by Combining Like Terms 7x8+9x6+7x87 x ^ { 8 } + 9 x ^ { 6 } + 7 x ^ { 8 }7x8+9x6+7x8

Simplify the Polynomial by Combining Like Terms $7 x ^ { 8 } + 9 x ^ { 6 } + 7 x ^ { 8 }$