5. add or subtract
(m^2-m+3)+(m+1)
a. m^2-m-2
b. m^2+2
c. m^2-2
d. m^2+m+2
6. add or subtract
(5x^2+x -+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
(if anyone has those answers and all the other answers to the unit 6 unit test id be grateful if you commented the answers)