(3a - 2b)(3a + 2b= 9a^2 - 6ab + 6ab - 4b^= 9a^2 - 4b^2
25x^2 - 10xy + y^2
(a + 2b)^= a^3 + 3a^2(2b) + 3a(2b)^2 + (2b)^= a^3 + 6a^2b + 12ab^2 + 8b^3
a^3 - 6a^2 + 12a - 8
Note: The expressions have been expanded and simplified.
(3a - 2b)(3a + 2b
= 9a^2 - 6ab + 6ab - 4b^
= 9a^2 - 4b^2
25x^2 - 10xy + y^2
(a + 2b)^
= a^3 + 3a^2(2b) + 3a(2b)^2 + (2b)^
= a^3 + 6a^2b + 12ab^2 + 8b^3
a^3 - 6a^2 + 12a - 8
Note: The expressions have been expanded and simplified.