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受欢迎的 Word Problems >

Three times the square of a number plus thirteen times the number is 10 . Find the number.

解答

T h ree t im es t h e s q u a re o f a n u mb er pl u s t hi r t ee n t im es t h e n u mb er i s 10 . F in d t h e n u mb er .

解答

The number : \frac{2}{3} or - 5

求解步骤

Represent the number with

x

A.T.Q.:

3 x^{2} + 13 x = 10

求解

x, 3 x^{2} + 13 x = 10 : x = \frac{2}{3}, x = - 5

The number : \frac{2}{3} or - 5

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