Question

1. (m^2-m+3)+(m-1)

a. m^2-m-2
b. m^2+2**
c. m^2-2
d. m^2+m+2


2. (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*

Answer 1

both ok.

good work.