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Phổ biến Word Problems >

A number is 30 less than its square. Find the number

Lời Giải

A n u mb er i s 30 l ess t han i t s s q u a re . F in d t h e n u mb er

Lời Giải

The number : 6 or - 5

Các bước giải pháp

Represent the number with

x

A.T.Q.:

x = x^{2} - 30

Giải

x, x = x^{2} - 30 : x = 6, x = - 5

The number : 6 or - 5

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