Question

(3a-2b)(9a^2+6ab+4b^2)-(2a+3b)(4a^2-6ab+9b^2)

Answer 1

(3a)^3-(2b)^3 - [(2a)^3+(3b)^3]

=27a^3-8b^3 -8a^3 -27b^3

=19a^3 -35b^3

Answer 2

Answer:

3a

2

+5ab−4b

2

3, a, squared, plus, 5, a, b, minus, 4, b, squared from 8a^2-6ab+4b^28a

2

−6ab+4b

Step-by-step explanation: