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Beliebt Word Problems >

number is 30 less than its square. Find all such numbers.

Lösung

n u mb er i s 30 l ess t han i t s s q u a re . F in d a ll s u c h n u mb ers .

Lösung

The number : 6 or - 5

Schritte zur Lösung

Represent the number with

x

A.T.Q.:

x = x^{2} - 30

Löse nach

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

The number : 6 or - 5

Beliebte Beispiele

a number that when decreased by 30% is 64 a number that when decreased by 30% is 60 one fourth the sum of a number and 6 Suppose that a loan of 4, 000 is given at an interest rate of 2% compounded each year. find the amount owed after 2 year the sum of 11 and 3/4 of a number is less than 112