SOLUTION: x to the second power plus 3x=28

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Question 778715: x to the second power plus 3x=28
Answer by rothauserc(4718)   (Show Source): You can put this solution on YOUR website!
x to the second power plus 3x=28
x^2 +3x -28 = 0
factor this equation
(x+7) * (x-4) = 0
x = -7 or 4

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