Collect like terms and then arrange in descending order.
-$4 x^{4}+3 x^{6}-7 x+9 x^{6}+2 x-8 x^{4}$
A) $3 x^{11}$
B) $12 x^{6}-4 x^{4}-5 x$
C) $12 x-4 x^{6}-5 x^{4}$
D) $5 x^{6}+13 x^{4}-15 x$

Question

Quizplus · Accepted Answer

First, combine like terms: $3 x^{6} + 9 x^{6} = 12 x^{6}$, $4 x^{4} - 8 x^{4} = -4 x^{4}$, and $-7 x + 2 x = -5 x$. So, the expression simplifies to $12 x^{6} - 4 x^{4} - 5 x$, which is in descending order of powers of $x$.

Collect Like Terms and Then Arrange in Descending Order 4x4+3x6−7x+9x6+2x−8x44 x^{4}+3 x^{6}-7 x+9 x^{6}+2 x-8 x^{4}4x4+3x6−7x+9x6+2x−8x4

Collect Like Terms and Then Arrange in Descending Order $4 x^{4}+3 x^{6}-7 x+9 x^{6}+2 x-8 x^{4}$