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how do i solve 4x^2-6=57

 Jan 10, 2017
 #1
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FIRST add 6 to both sides of the equation and you will have

4x^2 = 63       now divide both sides by 4

x^2 = 63/4     sqrt both sides

x = +- sqrt(63/4)=  +- sqrt63)/2  = +- 3/2  sqrt 7

 Jan 10, 2017

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