Add.
-$\left(5-8 x^{6}+5 x^{8}+6 x^{7}\right)+\left(9 x^{7}+5 x^{6}-2+3 x^{8}\right)$
A) $8 x^{16}+15 x^{14}-3 x^{12}+3$
B) $14 x^{8}+14 x^{7}+3 x^{6}+9$
C) $8 x^{8}+15 x^{7}-3 x^{6}+3$
D) $20 x^{42}+3$

Question

Quizplus · Accepted Answer

The Answer of Add.
-$\left(5-8 x^{6}+5 x^{8}+6 x^{7}\right)+\left(9 x^{7}+5 x^{6}-2+3 x^{8}\right)$
A) $8 x^{16}+15 x^{14}-3 x^{12}+3$
B) $14 x^{8}+14 x^{7}+3 x^{6}+9$
C) $8 x^{8}+15 x^{7}-3 x^{6}+3$
D) $20 x^{42}+3$

Add - (5−8x6+5x8+6x7)+(9x7+5x6−2+3x8)\left(5-8 x^{6}+5 x^{8}+6 x^{7}\right)+\left(9 x^{7}+5 x^{6}-2+3 x^{8}\right)(5−8x6+5x8+6x7)+(9x7+5x6−2+3x8) A) 8x16+15x14−3x12+38 x^{16}+15 x^{14}-3 x^{12}+38x16+15x14−3x12+3

Add
- $\left(5-8 x^{6}+5 x^{8}+6 x^{7}\right)+\left(9 x^{7}+5 x^{6}-2+3 x^{8}\right)$ A) $8 x^{16}+15 x^{14}-3 x^{12}+3$