Question

5^2x-3-2*5²=5²*3

Answer 1

\(\Leftrightarrow5^{2x-3}-2.25=25.3\)

\(\Leftrightarrow5^{2x-3}-50=75\)

\(\Leftrightarrow5^{2x-3}=75+50\)

\(\Leftrightarrow5^{2x-3}=125\)

\(\Leftrightarrow5^{2x-3}=5^3\)

\(\Leftrightarrow2x-3=3\)

\(\Leftrightarrow2x=3+3\)

\(\Leftrightarrow2x=6\)

\(\Leftrightarrow x=6:2=3\)

Answer 2

5^2x-3-2*5²=5²*3

x = 3

Answer 3

x=3 nha ban

k cho mik nha

Answer 4

x= 3 nha nho tk minh nha va kb nha