Sikeee28go Sikeee28go Math Answered find the greatest common factor.1.6x²y - 18xy²2.9x³y² + 24x⁴y³3.4x⁶+8x⁸ - 16¹⁰4.x⁴⁰ - x⁴⁵5.18x⁵y⁴ + 30x³y² - 42x²y