5 x ( x + 3 ) = 5 ^ 5 : 5 ^2
5 x ( x + 3 ) = 125
x + 3 = 25
x = 22
5 x (x+3) = 5^5 : 5^2
<=> 5 x (x+3) = 125
<=> x+3 = 125: 5
<=> x+3 = 25
<=> x= 25-3
<=> x= 22
5 x(x+3)=55:52
5 x(x+3)=53=125
x+3=125:5=25
x=25-3=22
5(x+3)=5^5:5^2
5(x+3)=5^3
5(x+3)=125
(x+3)=125:5
(x+3)=25
x =25-3
x =22
tk mk
\(5\times\left(x+3\right)=5^5:5^2\)
\(\Rightarrow5\times\left(x+3\right)=125\)
\(\Rightarrow x+3=125:5\)
\(\Rightarrow x+3=25\)
\(\Rightarrow x=22\)