Tìm x biết rằng
Tìm x biết :
a) x^3 - 1/4x = 0
b) 5x(x - 1) = x-1
c) ( 2x - 1 )^2 - ( x + 3 )^2 = 0
d) x( x - 2014 ) - 2015x + 2014.2015 = 0
a) x^3 - 1/4x = 0
b) 5x(x - 1) = x-1
c) ( 2x - 1 )^2 - ( x + 3 )^2 = 0
d) x( x - 2014 ) - 2015x + 2014.2015 = 0