–18ab⁶ + 24a²b² = 6ab²(4a – 3b⁴)
16x² – 9 = (4x – 3)(4x + 3)
y³z – 40 – 8z + 5y³ = y³(z + 5) – 8(z + 5) = (y³ – 8)(z + 5) = (y – 2)(y² + 2y + 4)(z + 5)
–18ab⁶ + 24a²b² = 6ab²(4a – 3b⁴)
16x² – 9 = (4x – 3)(4x + 3)
y³z – 40 – 8z + 5y³ = y³(z + 5) – 8(z + 5) = (y³ – 8)(z + 5) = (y – 2)(y² + 2y + 4)(z + 5)