y⁴ - 6y²z + 9z²
5xy+3x²-2xy²
x⁶ - 4x³ + 4
3x² + 6xy – 3xz
64m³ - 216
16x² - 9y²
121x² – 25y²
a³ + 8
x ³- 64y⁶
x³ + 216
16x²+ 40xy² + 25y⁴
x⁴ + 6x² + 9
144a² - 100b²
100m² - 81a²b⁴
x (x + 2) – 3(x + 2)
10x – 8xy – 18y
