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شائع Word Problems >

The sum of the square of a number and 6 is equal to 7. What is the number

الحلّ

T h e s u m o f t h e s q u a re o f a n u mb er an d 6 i s e q u a l t o 7. Wha t i s t h e n u mb er

الحلّ

The number : 1 or - 1

خطوات الحلّ

Represent the number with

x

A.T.Q.:

x^{2} + 6 = 7

x^{2} + 6 = 7, x

حلّ لـ:

x = 1, x = - 1

The number : 1 or - 1

أمثلة شائعة

I am currently 13 times as old as my granddaughter. Next year, I will be 11 times as old as my granddaughter. How old am I now?twice the reciprocal of a number subtracted from 4 is equal to 3. find the number If 5 times a number is decreased by 30, the result is 45. What is the number 1.Four-ninths of a number is 76. Find the number?2 In 5 years time I will be 5 times as old as I was 11 years ago. Form a suitable equation, and hence determine my age. \(? \)