Answer:
a) -8yx-20y
b) -6x ² - 3xy - 16x -2y - 8
Explanation:
a) -4y(2x+5) apply multiplicative distribution law
-4y × 2x - 4y × 5 multiply the monomials
-8yx - 20y
b) kinda the same steps like a
:) distributive property btw
hope it helps if you need the steps for b I'll send them in the comment