Add or Subtract as Indicated $\left(-6 x^{3}+9 x^{2}+4\right)-\left(-5 x^{3}+2 x-5\right)$ A) $-x^{6}+9 x^{4}-2 x^{2}+9$

Multiple Choice

Add or subtract as indicated.
- $\left(-6 x^{3}+9 x^{2}+4\right) -\left(-5 x^{3}+2 x-5\right)$

A) $-x^{6}+9 x^{4}-2 x^{2}+9$
B) $-x^{3}+9 x^{2}+2 x-1$
C) $-11 x^{3}+9 x^{2}+2 x-1$
D) $-x^{3}+9 x^{2}-2 x+9$