(y^2 - 3y - 5) - ( -y^2-7y+4 ): A. 2y^2 +4y - 9 B. 2 y^2 - 10y +4 C. -2 y^2 -10y - 1 D.2y^2 -7y + 1

asked Sep 16, 2023 211k views

22 votes

(y^2 - 3y - 5) - ( -y^2-7y+4 ):

A. 2y^2 +4y - 9
B. 2 y^2 - 10y +4
C. -2 y^2 -10y - 1
D.2y^2 -7y + 1

by Vimes

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11 votes

Answer:

$(y {}^(2) - 3y - 5) - ( - {y}^(2) - 7y + 4) \\ {y}^(2) - 3y - 5 + {y}^(2) + 7y - 4 \\ 2 {y}^(2) + 4y - 9$

A is the correct answer

ReDetection answered Sep 22, 2023

4.0k points

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