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Populaire Word Problems >

The square of a negative number is 18 more than 7 times the negative number.

Solution

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 18 m ore t han 7 t im es t h e n e g a t i v e n u mb er .

Solution

The number : - 2

étapes des solutions

Represent the number with

x

A.T.Q.:

x^{2} = 18 + 7 x

Solutionner pour

x, x^{2} = 18 + 7 x : x = 9, x = - 2

Select negative solutions:

- 2

The number : - 2

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