Question

Tìm x 
5^2x-3-2.5^2=5^2x3

Answer 1

Mình trả lời rồi bạn nhé.

https://olm.vn/cau-hoi/52x-3-252523.8180909322523

Answer 2

Ta có: \(5^{2x-3}-2\cdot5^2=5^2\cdot3\)

=>\(5^{2x-3}=2\cdot5^2+5^2\cdot3=5\cdot5^2=5^3\)

=>2x-3=3

=>2x=6

=>x=3