ccc² + 2c + 1; xxx² - 2x + 1; y+5y+5y+5²; 4c² - 20c + 25; a−3ba - 3ba−3b²; 2x+y2x + y2x+y²; 9z−3a9z - 3a9z−3a²; 3n+2m3n + 2m3n+2m²; ab+1ab + 1ab+1²; x2−1x² - 1x2−1²; 2y+12y + 12y+1³; a2−ba² - ba2−b²;
ccc² + 2c + 1; xxx² - 2x + 1; y+5y+5y+5²; 4c² - 20c + 25; a−3ba - 3ba−3b²; 2x+y2x + y2x+y²; 9z−3a9z - 3a9z−3a²; 3n+2m3n + 2m3n+2m²; ab+1ab + 1ab+1²; x2−1x² - 1x2−1²; 2y+12y + 12y+1³; a2−ba² - ba2−b²;