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פּוֹפּוּלָרִי Word Problems >

Liam is older than Chloe. Find Liam's age if the sum of the square of Liam's age and 5 times Chloe's age is 121.

פתרון

L iam i s o l d er t han C h l oe . F in d L ia m^{'} s a g e i f t h e s u m o f t h e s q u a re o f L ia m^{'} s a g e an d 5 t im es C h l o e^{'} s a g e i s 121.

פתרון

Liam^{'} s age is : \frac{- 5 + 509}{2}

צעדי פתרון

Translate the problem into an equation:

x^{2} + 5 x = 121

x^{2} + 5 x = 121, x

פתור בשביל:

x = \frac{- 5 + 509}{2}, x = \frac{- 5 - 509}{2}

Liam's age מצא את:

\frac{- 5 + 509}{2}

Liam^{'} s age is : \frac{- 5 + 509}{2}

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