Question

Find the difference (x^2+3y-3)-(-2x^2+3y-1)

Answer 1

The answer is 3x^2 - 2.

x^2+3y-3+2x^2-3y+1

Add the like terms together, you get 3x^2 - 2

Answer 2

X^2+3y-3+2x^2-3y+1

3x^2-2