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