add or subtract

(5x^2+x-3)-(-2x^3+4)

a) -2x^3+5x^2+x-7
b) -2x^3+5x^2+x+1
c) 2x^3+5x^2+x-7********
d) 2x^3+5x^2+x+1

2 answers

Good job, you are correct!
Soooooooo whats the answer?