Question

Tìm x,biết

11x²-4x=0

Answer 1

11x² - 4x = 0

=> x(11x - 4) = 0

Có 2 TH xảy ra :

TH1 : x = 0

TH2 : 11x - 4 = 0 => 11x = 4 => x = 4/11

Answer 2

=>x(11x-4)=0
=> x=0
     11x-4=0
=> x=0
     x=\(\frac{4}{11}\)

Answer 3

12.x²-4x=0

<=>12.x².x=0+4

=>12.x³=4

x³=4:12

x³=1/3

=>x.x.x=1/3

=>x=1/3 hoặc x=1