Drag each tile to the correct box. Arrange the steps in the expansion of the binomial (3x + 2y)³ in the correct sequence. 27x³ + (3x)³ + x 9x²2y + 3x2 × 3x × 4y² + 8y³ 2x1 (3x)²2y + 3(3-1) (3x) (2y)² + (2y)³ 21 27x³ +54x²y +36y² + 8y³ ↓​