Question

выполните действие:
a) 9х^8-11х^8+2х^8;
d) 5а^4b+5a^2ba^2-15ba^4

Answer 1

a) 9х^8-11х^8+2х^8=0
d) 5а^4b+5a^2ba^2-15ba^4=-5ba^4