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22-09-2018
Mathematics

contestada

One number is two more than another. the difference between their squares is 56 what are the numbers?

Respuesta :

22-09-2018

let unknow be = a
(a+2)^2-a^2=56
a^2+4a+4-a^2=56
4a+4=56
4a=52
a=13
b=13+2
=15

Hence, the numbers are 13 and 15

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