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Phổ biến Word Problems >

The hiệu between the squares of two consecutive integers is 29

Lời Giải

T h e d i ff ere n ce b e tw ee n t h e s q u a res o f tw o co n sec u t i v e in t e g ers i s 29

Lời Giải

The numbers : - 15, - 14

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x^{2} - (x + 1)^{2} = 29

Giải

x^{2} - (x + 1)^{2} = 29 : x = - 15

x + 1 = - 15 + 1 = - 14

The numbers : - 15, - 14

Ví dụ phổ biến

twice a number is 500 more than six times the number four fifths of a number minus two is greater than three tenths of twice that number 54 is the hiệu between one half a number and 16 Seven times the larger of two numbers decreased by five times the smaller is 42 . Nine times the larger increased by 8 times the smaller is 256 . Find the numbers.If you borrow $320 for 3 years at an annual interest rate of 15% , what is the total amount of money you will pay back?