Subtract.
-$\left(7 x^{7}+3 x^{9}-4+3 x^{8}\right)-\left(-3+5 x^{8}+6 x^{9}+2 x^{7}\right)$
A) $9 x^{9}+8 x^{8}+9 x^{7}-1$
B) $-3 x^{9}-2 x^{8}+5 x^{7}-1$
C) $9 x^{9}+8 x^{8}+9 x^{7}-7$
D) $-3 x^{9}+8 x^{8}+9 x^{7}-7$

Question

Quizplus · Accepted Answer

The Answer of Subtract.
-$\left(7 x^{7}+3 x^{9}-4+3 x^{8}\right)-\left(-3+5 x^{8}+6 x^{9}+2 x^{7}\right)$
A) $9 x^{9}+8 x^{8}+9 x^{7}-1$
B) $-3 x^{9}-2 x^{8}+5 x^{7}-1$
C) $9 x^{9}+8 x^{8}+9 x^{7}-7$
D) $-3 x^{9}+8 x^{8}+9 x^{7}-7$

Subtract - (7x7+3x9−4+3x8)−(−3+5x8+6x9+2x7)\left(7 x^{7}+3 x^{9}-4+3 x^{8}\right)-\left(-3+5 x^{8}+6 x^{9}+2 x^{7}\right)(7x7+3x9−4+3x8)−(−3+5x8+6x9+2x7) A) 9x9+8x8+9x7−19 x^{9}+8 x^{8}+9 x^{7}-19x9+8x8+9x7−1

Subtract
- $\left(7 x^{7}+3 x^{9}-4+3 x^{8}\right)-\left(-3+5 x^{8}+6 x^{9}+2 x^{7}\right)$ A) $9 x^{9}+8 x^{8}+9 x^{7}-1$