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OpenStudy (anonymous):
sqrt x^2-5x+4=x-3 solve the radical equation
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OpenStudy (anonymous):
\[\sqrt(x^2-5x+4)=x-3 ?\]
OpenStudy (anonymous):
Is it this you mean? \[\sqrt{x ^{2}-5x+4}=x-3\]
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Just square both sides then
OpenStudy (anonymous):
square both sides and get: x^2-5x+4=(x-3)^2 x^2-5x+4=x^2-6x+9 x=5
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