(2х – 5)²(х – 5) = (2х – 5)(х – 5)²
(2х-5)^2(х-5) = (2х-5)(х-5)^2
(2х-5)^2(х-5) - (2х-5)(х-5)^2=0
(2x-5)(x-5)((2x-5)-(x-5))=0
(2x-5)(x-5)(2x-5-x+5)=0
(2x-5)(x-5)(x)=0
(x-2.5)(x-5)(x)=0
X1=2.5
X2=5
X3=0
(2х – 5)²(х – 5) = (2х – 5)(х – 5)²
(2х-5)^2(х-5) = (2х-5)(х-5)^2
(2х-5)^2(х-5) - (2х-5)(х-5)^2=0
(2x-5)(x-5)((2x-5)-(x-5))=0
(2x-5)(x-5)(2x-5-x+5)=0
(2x-5)(x-5)(x)=0
(x-2.5)(x-5)(x)=0
X1=2.5
X2=5
X3=0