Answer: 12x²b(2x³ + 3a)
Step-by-step explanation:
When factoring, pull out what they have in common and leave the rest in the parenthesis)
24 x³ b x² + 36 a x² b
= 2 · 12 · x³ · b · x² + 3 · 12 · a · x² · b
= 12 · x² · b ( 2 · x³ + 3 · a )
= 12x²b (2x³ + 3a)
