Question

2x^4-5x^3+2x^2-5x=0
РЕШИТЕ ПОЖАЛУЙСТА

Answer 1

$2x^4-5x^3+2x^2-5x=0<=>x^3(2x-5)+x(2x-5)=0<=>\\<=>(2x-5)(x^3+x)=0<=>x(2x-5)(x^2+1)=0<=>\\<=>x(2x-5)=0\\x_1=0\\x_2=2,5$