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Popolare Word Problems >

The square of a number is 3 less than four times the number. Which values could be the number?

Soluzione

T h e s q u a re o f a n u mb er i s 3 l ess t han f o u r t im es t h e n u mb er . Whi c h v a l u es co u l d b e t h e n u mb er ?

Soluzione

The number : 3 or 1

Fasi della soluzione

Represent the number with

x

A.T.Q.:

x^{2} = 4 x - 3

Risolvi per

x, x^{2} = 4 x - 3 : x = 3, x = 1

The number : 3 or 1

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