Help me please it will mean a lot

Answer:18b -24c
Step-by-step explanation:
3b multiplies by 6 to become 18b
4c multiplies by 6 to become 24c
[tex]6b(3b-4c)[/tex], distribute by multiplying 6b × 3b = 18b and 6b × -4c = -24bc
[tex]18b-24bc[/tex], final answer
hope this helps :)