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Phổ biến Word Problems >

The product of two consecutive integers is 72: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 in t e g ers i s 72 : F in d t h e in t e g ers .

Lời Giải

The numbers : 8, 9 or - 9, - 8

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 72

Giải

x (x + 1) = 72 : x = 8, x = - 9

Thay

x = 8 : 9

Thay

x = - 9 : - 8

The numbers : 8, 9 or - 9, - 8

Ví dụ phổ biến

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