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OpenStudy (anonymous):
4x-9x(x+1)=20-5x
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OpenStudy (anonymous):
@ally890 Distribute again. 4x - 9x^2 + 9x = 20 - 5x Now set the equation equal to zero. This is a little tougher than the others you made -9x^2 + 8x - 20 = 0 This factors into nothing. It can't be done with real numbers so there is no real solution.
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