0 5x 3 2x July 8, 2019 16 32 64 128 0 5x 3 32x 0 5x 2 2x 3 0 2x2 5x 3 (- 5x 3 )( 2x 5 )= 0 5x 3 )( 2x 7 )= 0 2x2 5x 3 0 quadratic formula 2x2 5x 3 0 discriminant 2x2 5x 3 0 дискриминант 0 2x 3 4 5x 6 7 (- 5x 3 )( 2x 1 )= 0 4 1 0 5x )=- 2 3 2x 5x 3 2x 4 0 5x 2x 3 )= 0 giải phương trình 5x 2x 3 )= 0 giải 2x2 5x 3 0 by factorisation
