SOLUTION: three times the square of a certain positive number exceeds six times the number by nine. Fine the number
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Question 540443: three times the square of a certain positive number exceeds six times the number by nine. Fine the number
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let number be x
3x^2-6x=9
3x^2-6x-9=0
3x^2=-9x+3x-9=0
3x(x-3)+3(x-3)=0
(x-3)(3x+3)=0
x= 3 the positive value
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