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人気のある Word Problems >

The square of a negative number is ten more than three times the negative number. Find the number.

解

T h e s q u a re o f a n e g a t i v e n u mb er i s t e n m ore t han t h ree t im es t h e n e g a t i v e n u mb er . F in d t h e n u mb er .

解

The number : - 2

解答ステップ

Represent the number with

x

A.T.Q.:

x^{2} = 10 + 3 x

x

を解く

x^{2} = 10 + 3 x : x = 5, x = - 2

Select negative solutions:

- 2

The number : - 2

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