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Popolare Word Problems >

the differenza between the square twice a number and 3 is equal to 1

Soluzione

t h e d i ff ere n ce b e tw ee n t h e s q u a re tw i ce a n u mb er an d 3 i s e q u a l t o 1

Soluzione

The number : 1 or - 1

Fasi della soluzione

Represent the number with

x

A.T.Q.:

(2 x)^{2} - 3 = 1

Risolvi per

x, (2 x)^{2} - 3 = 1 : x = 1, x = - 1

The number : 1 or - 1

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