pt

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

If a number is subtracted from three times its square, the result is twenty-four. Find all such numbers.If there is more than one answer, separate them with the and button.

Solução

I f a n u mb er i s s u b t r a c t e d f ro m t h ree t im es i t s s q u a re, t h e res u lt i s tw e n t y - f o u r . F in d a ll s u c h n u mb ers . I f t h ere i s m ore t han o n e an s w er, se p a r a t e t h e m w i t h t h e an d b u tt o n .

Solução

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

Passos da solução

Represent the number with

x

A.T.Q.:

3 x^{2} - x = 24

Resolver para

x, 3 x^{2} - x = 24 : x = 3, x = - \frac{8}{3}

Converter as frações impróprias em números mistos:

\frac{8}{3} = 2 \frac{2}{3}

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

Exemplos populares

Rachel can travel at 114.3mph on the motorway.:How far will Rachel travel in 5.5 hours?Rationalize the number 1/(sqrt(3)-1)The perimeter of a rectangle is 98 cm. If the length is 23 cm, how wide is the rectangle?which number is 7 less than 503 six more than the quotient of a number and 4 is equal to 8