Question

How do I solve this?

Answer 1

You can subtract the like terms from each other to get the answer, so:
2x^4 - x^4 = x^4
9x - 6x = 3x
-7 - 5 = -12
So your answer is x^4 + 3x - 12. I hope this helps!

Answer 2

2x^4 - x^4 = x^4
9x - 6x = 3x
-7 - 5 = -12
So your answer is x^4 + 3x - 12
Hope I helped pls give brainliest