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Popular Word Problems >

A negative number is 42 less than its square. Find the number.

Solution

A n e g a t i v e n u mb er i s 42 l ess t han i t s s q u a re . F in d t h e n u mb er .

Solution

The number : - 6

Solution steps

Represent the number with

x

A.T.Q.:

x = x^{2} - 42

Solve for

x, x = x^{2} - 42 : x = 7, x = - 6

Select negative solutions:

- 6

The number : - 6

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