Question

Tìm x trong phép tính sau:

(2x-7)²⁰¹⁹ = (2x-7)²⁰¹⁷

Answer 1

x = 4

Answer 2

=>(2x-7)^2017[(2x-7)^2-1]=0

=>(2x-7)(2x-8)(2x-6)=0

hay \(x\in\left\{3;3.5;4\right\}\)