Answer:
2y²+ 10y -10
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
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