Question

а) 6а²в-18а⁵в³
б) -х²+2ху-у²
в)3х²-27
г)х⁴-6х²+9

Answer 1

а) 6а²b - 18а⁵b³ = 6a²b = (1 - 3a³b²)

б) -х² + 2ху - у² = -(x + y)²

в)3х² - 27 = 3(x² - 9) = 3(x - 3)(x + 3)

г)х⁴ - 6х² + 9 = (x² - 3)²