SOLUTION: What is x in this equation? (2x+5)*(x)=50? solve for x?

Question 77970: What is x in this equation? (2x+5)*(x)=50? solve for x?
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
(2X+5)X=50
2X^2+5X-50=0
USING THE QUADRATIC EQUATION WE GET:
X=(-5+-SQRT[5^2-4*2*-50])/2*2
X=(-5+-SQRT[25+400])/4
X=(-5+-SQRT425)/4
X=(-5+-20.62)/4
X=(-5+20.62)/4
X=15.62/4
X=3.91 ANSWER.
X=(-5-20.62)/4
X=-25.62/4
X=-6.41 ANSWER.
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