ADD :( 2y²-7y+5) ; (3y+9) ; (3y²-4y+3).
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Answer:
5y^2 - 8y + 17
Step-by-step explanation:
(2y^2-7y+5) ; (3y+9) ; (3y^2-4y+3)
= (2y^2-7y+5) + (3y+9) + (3y^2-4y+3)
= 2y^2 - 7y + 5 + 3y + 9 + 3y^2 - 4y + 3
= 5y^2 - 8y + 17
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