algebra
posted by Michael .
the ratio of ten more than three times a number to the square of the same number is equal to one. what is the number?

(3x + 10) : x^2 = 1
(3x+10)/x^2 = 1
x^2 = 3x+10
x^2  3x  10 = 0
(x  5)(x + 2) = 0
x=5 or x = 2
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