SOLUTION: 5x2 = 2x - 7x2
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Question 70892: 5x2 = 2x - 7x2
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
5X^2=2X=-7X^2
5X^2+7X^2-2X=0
12X^2-2X=0
2X(6X-1)=0
2X=0
X=0 ANSWER
6X-1=0
6X=1
X=1/6 ANSWER
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3x^2+6x=2x^2-9
3x^2-2x^2+6x+9=0
x^2+6x+9=0
(x+3)(x+3)=0
x+3=0
x=-3 answer.
x=3=0
x=-3 answer.
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