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Popular Word Problems >

twelve times the square of a positive number is five more than four times the same number. Find the number

Solution

tw e l v e t im es t h e s q u a re o f a p os i t i v e n u mb er i s f i v e m ore t han f o u r t im es t h e s am e n u mb er . F in d t h e n u mb er

Solution

The number : \frac{5}{6}

Solution steps

Represent the number with

x

A.T.Q.:

12 x^{2} = 5 + 4 x

Solve for

x, 12 x^{2} = 5 + 4 x : x = \frac{5}{6}, x = - \frac{1}{2}

Select positive solutions:

\frac{5}{6}

The number : \frac{5}{6}

Popular Examples

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