how do i do these?

Question

(x^4+ 3x^2+ 7x)/ (x^2 + 2x) please show your work

Answer 1

kind of hard to show my work like this
Division sign = (
2x^2+ 3x+ (7x/x^2)
x^2 + 2x( x^4 + 3x^2 +7x
-x^4
0 + 3x^2 +7x
-3x^2
0 +7x
0
7x