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פּוֹפּוּלָרִי Word Problems >

The difference between the square of a number and twice the number is equal to 8.Find both numbers that satisfy the condition above.

פתרון

T h e d i ff ere n ce b e tw ee n t h e s q u a re o f a n u mb er an d tw i ce t h e n u mb er i s e q u a l t o 8. F in d b o t h n u mb ers t ha t s a t i s f y t h e co n d i t i o n ab o v e .

פתרון

The number : - 8

צעדי פתרון

Represent the number with

x

A.T.Q.:

x - 2 x = 8

x - 2 x = 8, x

פתור בשביל:

x = - 8

The number : - 8

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