SOLUTION: x to the second power plus 3x=28
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Question 778715
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x to the second power plus 3x=28
Answer by
rothauserc(4718)
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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
