Simplify.
-$-\left(-9 x^{4}+9 x^{2}+\frac{3}{5} x-4\right)$
A) $9 x^{4}-9 x^{2}-\frac{3}{5} x+4$
B) $9 x^{4}+9 x^{2}-\frac{3}{5} x+4$
C) $9 x^{4}+9 x^{2}+\frac{3}{5} x-4$
D) $-9 x^{4}+9 x^{2}+\frac{3}{5} x-4$

Question

Quizplus · Accepted Answer

Negating the entire expression inside the parentheses changes the sign of each term, resulting in $9 x^{4}-9 x^{2}-\frac{3}{5} x+4$.

Simplify - −(−9x4+9x2+35x−4)-\left(-9 x^{4}+9 x^{2}+\frac{3}{5} x-4\right)−(−9x4+9x2+53​x−4) A) 9x4−9x2−35x+49 x^{4}-9 x^{2}-\frac{3}{5} x+49x4−9x2−53​x+4 B) 9x4+9x2−35x+49 x^{4}+9 x^{2}-\frac{3}{5} x+49x4+9x2−53​x+4

Simplify
- $-\left(-9 x^{4}+9 x^{2}+\frac{3}{5} x-4\right)$ A) $9 x^{4}-9 x^{2}-\frac{3}{5} x+4$ B) $9 x^{4}+9 x^{2}-\frac{3}{5} x+4$