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Popolare Word Problems >

the sum of a number and its square is 20

Soluzione

t h e s u m o f a n u mb er an d i t s s q u a re i s 20

Soluzione

The number : 4 or - 5

Fasi della soluzione

Represent the number with

x

A.T.Q.:

x + x^{2} = 20

Risolvi per

x, x + x^{2} = 20 : x = 4, x = - 5

The number : 4 or - 5

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