pt

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

The sum of a number and twice its square is 6 . Find the number.

Solução

T h e s u m o f a n u mb er an d tw i ce i t s s q u a re i s 6 . F in d t h e n u mb er .

Solução

The number : 1 \frac{1}{2} or - 2

Passos da solução

Represent the number with

x

A.T.Q.:

x + 2 x^{2} = 6

Resolver para

x, x + 2 x^{2} = 6 : x = \frac{3}{2}, x = - 2

Converter as frações impróprias em números mistos:

\frac{3}{2} = 1 \frac{1}{2}

The number : 1 \frac{1}{2} or - 2

Exemplos populares

the sum of three consecutive numbers is 135. Find the largest of the three numbers Mariana puts 300.00 into an account to use for school expenses. The account earns 7% interest, compounded monthly. How much will be in the account after 4 years?The product of 6 and a number is the same as 32 less twice that same number.The circunferência of a circle is 42.704 centimeters. What is the circle's diameter?Three years ago, Evan was one third of his sister's age. In a year's time, Evan will be half of his sister's age. How old is Evan now?