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Beliebt Word Problems >

the square of a negative number is 15 more than twice the negative number. what is the number

Lösung

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 15 m ore t han tw i ce t h e n e g a t i v e n u mb er . w ha t i s t h e n u mb er

Lösung

The number : - 3

Schritte zur Lösung

Represent the number with

x

A.T.Q.:

x^{2} = 15 + 2 x

Löse nach

x, x^{2} = 15 + 2 x : x = 5, x = - 3

Select negative solutions:

- 3

The number : - 3

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