Math, asked by chengenjiang668, 10 months ago

2(y+2)square-11(y+2)-21=0

Answers

Answered by ToxicEgo

1

Answer:

2(y+2) ²-11(y+2) -21=0

2(y²+4y+4) -11(y+2) -21=0

2y²+8y+8-11y-22-21=0

2y²-3y+8-22-21=0

2y²-3y-14-21=0

2y²-3y-35=0

2y²-10y+7y-35=0

2y(y-5) +7(y-5) =0

(2y+7) (y-5) =0

2y+7=0 or y-5=0

y=-7/2 or y=5

Step-by-step explanation:

Hope it will help you

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