Collect like terms and then arrange in descending order.
-$7 x^{4}+2 x^{6}+2 x^{5}+8 x^{4}+6 x^{5}+8 x^{6}$
A) $10 x^{12}+8 x^{10}+15 x^{8}$
B) $10 x^{6}+8 x^{5}+15 x^{4}$
C) $33 x^{30}$
D) $-3 x^{6}-3 x^{5}-3 x^{4}$

Question

Quizplus · Accepted Answer

First, combine like terms: $2x^6 + 8x^6 = 10x^6$, $2x^5 + 6x^5 = 8x^5$, $7x^4 + 8x^4 = 15x^4$. The terms are already in descending order, making the correct expression $10x^6 + 8x^5 + 15x^4$.

Collect Like Terms and Then Arrange in Descending Order 7x4+2x6+2x5+8x4+6x5+8x67 x^{4}+2 x^{6}+2 x^{5}+8 x^{4}+6 x^{5}+8 x^{6}7x4+2x6+2x5+8x4+6x5+8x6

Collect Like Terms and Then Arrange in Descending Order $7 x^{4}+2 x^{6}+2 x^{5}+8 x^{4}+6 x^{5}+8 x^{6}$