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受欢迎的 Word Problems >

The sum of a number and its square is 42. Find the number.

解答

T h e s u m o f a n u mb er an d i t s s q u a re i s 42. F in d t h e n u mb er .

解答

The number : 6 or - 7

求解步骤

Represent the number with

x

A.T.Q.:

x + x^{2} = 42

求解

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

The number : 6 or - 7

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