What is the best solution to the given equation (X-5) (x+2) +2x=8+ (x- 4)^2+1

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asked May 26, 2020 147k views

4 votes

What is the best solution to the given equation
(X-5) (x+2) +2x=8+ (x- 4)^2+1

Mathematics
middle-school

Irgendw Pointer asked

by Irgendw Pointer

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1 Answer

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(x-5) (x+2) + 2x = 8 + (x - 4)^2 + 1
x^2 - 3x - 10 + 2x = 8 + x^2 - 8x + 16 + 1
x^2 - x - 10 = x^2 - 8x + 25
x^2 + 7x - 10 = x^2 + 25
7x - 10 = 25
7x = 35
x = 5

Jason Jarrett answered Jun 1, 2020

by Jason Jarrett

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