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Phổ biến Word Problems >

The product of two consecutive odd integers is equal to 30 more than the first. Find the integers.

Lời Giải

T h e p ro d u c t o f tw o co n sec u t i v e o dd in t e g ers i s e q u a l t o 30 m ore t han t h e f i rs t . F in d t h e in t e g ers .

Lời Giải

The numbers : 5, 7

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x (x + 2) = 30 + x

Giải

x (x + 2) = 30 + x : x = 5, x = - 6

Thay

x = 5 : 7

Thay

x = - 6 :

Không hợp lệ

The numbers : 5, 7

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