2x 5x 4 0 July 8, 2019 16 32 64 128 2x 2 5x 4 0 2x 2 5x 4 0 discriminant 2x 1 )( 5x 4 )= 0 2x 4 5x 2 3 0 2x 4 5x 2 12 0 2x 4 5x 2 1 0 2x 4 5x 3 3x 2 0 2x 3 5x 2 11x 4 0 2x 4 8 0 5x 2x 4 5x 3 18x 2 45x 0 1 2x 0 5x 4 58 1 16 3 2x )( 5x 4 )= 0 2x 4 5x 2 7 0 2x 4 0 5x 21 X 3 2x 2 5x 4 0
