Answer:
To simplify the expression (12a^6x^5 + 18a^5x^6) ÷ 6a³×³, we can combine like terms and simplify the exponents.
First, let's combine the like terms in the numerator: 12a^6x^5 + 18a^5x^6 = 30a^6x^5.
Now, let's simplify the exponents in the denominator: 6a³×³ = 6a^9.
Finally, we can divide the numerator by the denominator: (30a^6x^5) ÷ (6a^9) = 5ax^5 ÷ a^3 = 5x^5/a^2.
So, the simplified expression is 5x^5/a^2.
