Answer:
2y²+ 10y -10
Step-by-step explanation:
(2y2 +8y-7) - (- 3y + 3)
(2y2 +8y-7) + 3y -3 Distribute the (-) to the 3y + 3, changing the signs
2y²+ 8y + 3y -7 -3 Simplify and solve the common factors
