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The product of two consecutive even integers is 120. Find the integers

الحلّ

The product of two consecutive even integers is 120. Find the integers

الحلّ

The numbers : 10, 12 or - 12, - 10

خطوات الحلّ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x (x + 2) = 120

x (x + 2) = 120

حلّ:

x = 10, x = - 12

x = 10

استبدل:

12

x = - 12

استبدل:

- 10

The numbers : 10, 12 or - 12, - 10

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