1) 2x²-5x=0
x(2x - 5) = 0
x₁ = 0 ; 2x - 5 = 0
x₂ = 2,5
2)3x²-10x=0
x(3x - 10)=0
x₁=0 ; 3x-10=0
x₂ = 10/3
1) 2x²-5x=0
x(2x - 5) = 0
x₁ = 0 ; 2x - 5 = 0
x₂ = 2,5
2)3x²-10x=0
x(3x - 10)=0
x₁=0 ; 3x-10=0
x₂ = 10/3