Question

Subtract

(-4 – 2x^5 + 9x^7 – 8x^6) – (x^6 + 4x^5 + 4 + 3x^7)

Answer 1

i just need to know if i'm doing this problem right

-4-2x^5+9x^7-8x^6-x^6-4x^5-4-3x^7

Answer 2

you still need to do like terms

Answer 3

yes i got -8-6x^5-9x^6+6x^7

Answer 4

Yes. It is better to put in decending order:
6x^7-9x^6-6x^5-8