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인기 있는 Word Problems >

when 14 is subtracted from the square of the number, the result is five times the number

해법

w h e n 14 i s s u b t r a c t e d f ro m t h e s q u a re o f t h e n u mb er, t h e res u lt i s f i v e t im es t h e n u mb er

해법

The number : 7 or - 2

솔루션 단계

Represent the number with

x

A.T.Q.:

x^{2} - 14 = 5 x

x

해결 대상

, x^{2} - 14 = 5 x : x = 7, x = - 2

The number : 7 or - 2

인기 있는 예

Brenna is saving up money to buy a car. Brenna puts 5,000.00 into an account which earns 2% interest, compounded quarterly. How much will she have in the account after 3 years?'the sum of 9 times a number and 3 is 4 A massage gun costing 14.00 to manufacture is marked up 150%. What is the selling price?the sum of 9 times a number and 3 is 2 the product of the number and −14