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Popolare Word Problems >

The differenza of the squares of two consecutive even integers is 84. Find the integers.

Soluzione

T h e d i ff ere n ce o f t h e s q u a res o f tw o co n sec u t i v e e v e n in t e g ers i s 84. F in d t h e in t e g ers .

Soluzione

The numbers : - 22, - 20

Fasi della soluzione

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x^{2} - (x + 2)^{2} = 84

Risolvi

x^{2} - (x + 2)^{2} = 84 : x = - 22

x + 2 = - 22 + 2 = - 20

The numbers : - 22, - 20

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