Collect like terms.
-$-13 b^{7}+8 b^{6}-2 b^{5}+4 b^{7}-3 b^{6}$
A) $-216 b$
B) Can't be simplified
C) $-12 b^{18}$
D) $-9 b^{7}+5 b^{6}-2 b^{5}$

Question

Quizplus · Accepted Answer

Collecting like terms involves combining terms with the same variable raised to the same power. Here, $-13b^7$ and $4b^7$ combine to $-9b^7$, and $8b^6$ and $-3b^6$ combine to $5b^6$, leaving $-2b^5$ unchanged.

Collect Like Terms −13b7+8b6−2b5+4b7−3b6-13 b^{7}+8 b^{6}-2 b^{5}+4 b^{7}-3 b^{6}−13b7+8b6−2b5+4b7−3b6 A) −216b-216 b−216b

Collect Like Terms $-13 b^{7}+8 b^{6}-2 b^{5}+4 b^{7}-3 b^{6}$ A) $-216 b$