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OpenStudy (smurfy14):
x+√(31-9x)=5 solve the equation
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OpenStudy (anonymous):
31-9x=(5-x)^2=25-10x+x^2 x^2-x-6=0 (x-3)(x+2)=0 x=3 or x=-2
OpenStudy (smurfy14):
ok thanks! i made a mistake when i was working it :P
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