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Popolare Word Problems >

Five times a positive number is less than twice its square by 3. Find the number.

Soluzione

F i v e t im es a p os i t i v e n u mb er i s l ess t han tw i ce i t s s q u a re b y 3. F in d t h e n u mb er .

Soluzione

The number : 3

Fasi della soluzione

Represent the number with

x

A.T.Q.:

5 x = 2 x^{2} - 3

Risolvi per

x, 5 x = 2 x^{2} - 3 : x = 3, x = - \frac{1}{2}

Select positive solutions:

3

The number : 3

Esempi popolari

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