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人気のある Word Problems >

The square of a number is 12 less than 7 times the number. What is the number?-4 or-3-4 or 3-3 or 4 3 or 4

解

T h e s q u a re o f a n u mb er i s 12 l ess t han 7 t im es t h e n u mb er . Wha t i s t h e n u mb er ? - 4 or - 3 - 4 or 3 - 3 or 43 or 4

解

The number : 4 or 3

解答ステップ

Represent the number with

x

A.T.Q.:

x^{2} = 7 x - 12

x

を解く

x^{2} = 7 x - 12 : x = 4, x = 3

The number : 4 or 3

人気の例

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