SugarRainbow
4/x+x=5 solving rational equations help!



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winterfez
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multiply everything by x to get rid of x in teh denominator

SugarRainbow
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okay

SugarRainbow
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okay so do i then get 4x+x^2=5x?

winterfez
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what do you get?

winterfez
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k move 5x to the right hand > it will become 5x\[x^25x+4=0\]

winterfez
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dw:1355128250695:dw

SugarRainbow
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wait why +4 and not 4x?

winterfez
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factor out \[x^25x+4\]
\[(x4)(x1)\]
\[x=4,1\]

SugarRainbow
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oh! okay thanks so much!