👉 3×2 Matrix Rule: Break down (Ax + B)³ into (A²x² + 2ABx + B²) × (Ax + B)! 🟢 Levels 1-4: Calculate the coefficient of a single cell in the matrix. 🔴 Levels 5-8: Calculate the combined sum within the red and blue diagonal circles. 🔥 Levels 9-12: Observe the final expansion and reverse-engineer the values of A and B!