Question

x la a doua - y la a doua = 24 , x +y=8  . calculati x-y . va rog multt

Answer 1

x²- y²=24
(x+y)(x-y)=24
8(x-y)=24
x-y=24÷8
x-y=3

Answer 2

$x^{2} -y^{2}=24$

x+y=8

$x^{2} - y^{2} =(x-y)*(x+y)$

24=(x-y)*8

x-y=24:8

x-y=3