Question

How do you simplify `( x^3+2x-1)+(3x^2+4)`?

Answer 1

`( x^3+2x-1)+(3x^2+4)`

`= x^3+2x-1+3x^2+4`

`= x^3+3x^2+2xcolor(red)(-1+4`

`= x^3+3x^2+2x+3`