Question

привести подобные члены
3x2 - 4x + 1-x2 + 3x - 7
5 + 10x - 6x2-3x2 + 10x-4
5y6 - 3x3+8-6y6+5x3
m+2n +n3-n3-3m2+4m

Answer 1

1)=2х^2-х-6
2)=1+20х-9х^2
3)=-у^6+2х^3+8
4)=5m+2n-3m^2

Answer 2

=2х^2-х-6
= -9х^2+20х-1
= -у^6+2х^2+8
= -3m^2+2n +5m