5x - 5^2 = 10
5x - 25 = 10
5x = 10 + 25
5x = 35
x = 35 : 5
x = 7
Vậy x = 7
5x - 5^2 = 10
5x - 25 = 10
5x = 10 + 25
5x = 35
x = 35 : 5
x = 7
Đây bạn
5x - 5^2 = 10
5x - 25 = 10
5x = 10 + 25
5x = 35
x = 35 : 5
x
x = 7
Ta có: \(5x-5^2=10\)
\(\Leftrightarrow5x=35\)
hay x=7