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人気のある Word Problems >

When 32 is subtracted from the square of a number, the result is 4 times the number.

解

Wh e n 32 i s s u b t r a c t e d f ro m t h e s q u a re o f a n u mb er, t h e res u lt i s 4 t im es t h e n u mb er .

解

The number : 8 or - 4

解答ステップ

Represent the number with

x

A.T.Q.:

x^{2} - 32 = 4 x

x

を解く

x^{2} - 32 = 4 x : x = 8, x = - 4

The number : 8 or - 4

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