SOLUTION: When triple a real number is subtracted from a third of its square the answer is 105. Find the number

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Question 639453: When triple a real number is subtracted from a third of its square the answer is 105. Find the number
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
(X^2)/3=3X CROSS MULTIPLY
X^2=3*3X
X^2=9X DIVIDE BY X
X^2/X=9X/X
X=9 ans.
PROOF:
9^2/3=3*9
81/3=27
27=27