Mathematics, 10.06.2021 22:00 honeybaby675610

Which expression is equivalent to (y2 + 3y – 8)+(2y? –y–9)? A. 3y4 + 4y2 – 17
B. 3y4 +2y2 – 17
C. 3y2 + 4y - 17
D. 3y² +2y-17

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Which expression is equivalent to (y2 + 3y – 8)+(2y? –y–9)? A. 3y4 + 4y2 – 17
B. 3y4 +2y2 – 1...