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12-09-2020
Mathematics

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3. If the area of the rectangle is 252 square units, find x. PLEASE I REALLY NEED HELP! THANK YOU

3 If the area of the rectangle is 252 square units find x PLEASE I REALLY NEED HELP THANK YOU class=

3 If the area of the rectangle is 252 square units find x PLEASE I REALLY NEED HELP THANK YOU class=

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lifelongknowledge62 lifelongknowledge62

12-09-2020

Answer:

are or rectangle = l*b

252= (x+2) (2x+1)

252= 2x²+x+ 4x +2

2x²+5x -250=0

(x-10) (2x+25)=0

so x=10

using sum and product method

Step-by-step explanation:

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