selesaikan persamaan kuadrat berikut dengan memfaktorkan ! A.2x^2+6x=0 B.4x-6x^2=0
A. 2x² + 6x = 0
» 2x (x + 3) = 0
» x (x + 3) = 0
» x = 0 x + 3 = 0
» x = 0 x = -3
» x¹ = -3 x² = 0
B. 4x – 6x² = 0
» 2x (2 – 3x) = 0
» x (2 – 3x) = 0
» x = 0 2 – 3x = 0
» x¹ = 0 x² = 2/3