1.Simplify the expression:

6(-5n+7)
2. Simplify the expression:-3(4a-5b)

I'm not sure how to solve these if someone can please help me step by step I would appreciate it.
Thank you

6(-5n+7)

Multiply both terms by 6.
-30n + 42

-3(4a-5b)
-12a + 15b