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Phổ biến Word Problems >

The product of two consecutive positive even integers is 14 more than their sum. Set up an equation that can used to find the two numbers and solve it.

Lời Giải

T h e p ro d u c t o f tw o co n sec u t i v e p os i t i v e e v e n in t e g ers i s 14 m ore t han t h e i r s u m . S e t u p an e q u a t i o n t ha t c an u se d t o f in d t h e tw o n u mb ers an d so l v e i t .

Lời Giải

The numbers : 4, 6

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x (x + 2) = 14 + x + x + 2

Giải

x (x + 2) = 14 + x + x + 2 : x = 4, x = - 4

Select positive solutions:

4

x + 2 = 4 + 2 = 6

The numbers : 4, 6

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