The разность between two numbers is 9 and the product of the numbers is 162 . Find the two numbers.

Решение

T h e d i ff ere n ce b e tw ee n tw o n u mb ers i s 9 an d t h e p ro d u c t o f t h e n u mb ers i s 162 . F in d t h e tw o n u mb ers .

The numbers : 18, 9 or - 9, - 18

Шаги решения

Represent the numbers with

x and y

number 1 : x

number 2 : y

A.T.Q.:

x - y = 9

x y = 162

x - y = 9, x y = 162 : (x = 18, y = 9 x = - 9, y = - 18)

The numbers : 18, 9 or - 9, - 18