SOLUTION: how do you translate and solve this equation: If you subtract a number from four times its square, the result is three. thank you :)

SOLUTION: how do you translate and solve this equation: If you subtract a number from four times its square, the result is three. thank you :)

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Question 393213: how do you translate and solve this equation: If you subtract a number from four times its square, the result is three.
thank you :)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the unknown number
It's square is
given:

Using quadratic formula:

and, also:

The answer has to be 1, since -3/4 is not a whole number
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