Answer:
-18a⁷b⁷ + 42a²b⁵
Step-by-step explanation:
(3a⁵b⁶ - 7b⁴)(-6a²b)
= (3a⁵b⁶)(-6a²b) – (7b⁴)(-6a²b) Distributed the 6a²b term
= -18a⁷b⁷ - (-42a²b⁵) Multiplied and added exponents
= -18a⁷b⁷ + 42a²b⁵ Removed parentheses
