Simplify the difference.
(-7x - 5x^4 + 5) - (7x^4 - 5 - 9x)
A. 2x^4 + 2x + 8.
B. -14x^4 + 10x + 10
C. 2x^4 + 2x + 10
D. 2x^4 + 2x + 10



Answer :

*(–7x – 5x^4 + 5) – (–7x^4 – 5 – 9x)
 * –7x – 5x^4 + 5 + 7x^4 + 5 + 9x
 * 2x^4 - 2x + 10
Both answer choices C and D are the same