SOLUTION: i need to solve for all real roots (sqrt)(2x^2+x-12)=x

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Question 66122: i need to solve for all real roots
(sqrt)(2x^2+x-12)=x
Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
i need to solve for all real roots
(sqrt)(2x^2+x-12)=x............squaring..
2x^2+x-12=x^2
x^2+x-12=0
x^2+4x-3x-12=0
x(x+4)-3(x+4)=0
(x-3)(x+4)=0
x=3....or....x=-4