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人気のある Word Problems >

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

解

6 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 .

解

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

解答ステップ

Represent the number with

x

A.T.Q.:

6 (x + 2 x^{2}) = 6

x

を解く

6 (x + 2 x^{2}) = 6 : x = \frac{1}{2}, x = - 1

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

人気の例

two more than thrice a number x is fourteen . How much money should I invest, to the nearest cent, at 6%/a compounded monthly to have 20,000in 4 years Find two consecutive whole numbers that lies sqrt(89) between.if 6 is added to a certain number, the result is 13. what is the number If 11,000 is invested at 8% interest compounded quarterly, find the interest earned in 10 years