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شائع Word Problems >

The sum of a number and its square is 42. Find the number.

الحلّ

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 42. F in d t h e n u mb er .

الحلّ

The number : 6 or - 7

خطوات الحلّ

Represent the number with

x

A.T.Q.:

x + x^{2} = 42

x + x^{2} = 42, x

حلّ لـ:

x = 6, x = - 7

The number : 6 or - 7

أمثلة شائعة

what is the length of a rectangle if the width is 8 inches and its area is 153 square inches A number x is more than forty Martina is currently 14 years older than her cousin Joey. In 4 years she will be 3 times as old as Joey. Use this information to answer the following questions.Find three consecutive even integers whose sum is negative twelve The sum of two numbers is-1. One of the numbers is nine less than the other. Find the numbers.