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פּוֹפּוּלָרִי Word Problems >

When the square of a number is added to the number trebled the result is 108. What is the number?

פתרון

Wh e n t h e s q u a re o f a n u mb er i s a dd e d t o t h e n u mb er t re b l e d t h e res u lt i s 108. Wha t i s t h e n u mb er ?

פתרון

The number : \frac{- 1 + 433}{2} or \frac{- 1 - 433}{2}

צעדי פתרון

Represent the number with

x

A.T.Q.:

x + x^{2} = 108

x + x^{2} = 108, x

פתור בשביל:

x = \frac{- 1 + 433}{2}, x = \frac{- 1 - 433}{2}

The number : \frac{- 1 + 433}{2} or \frac{- 1 - 433}{2}

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