(2a + 6) (3a + 5)=6a^2 + 10a + 18a + 30=6a^2 + 28a + 30
(3p - 2) (5p + 4)=15p^2 + 12p - 10p - 8=15p^2 +2p-8
(2x - 3) (5x-1)=10x^2 - 2x - 15x + 3= 10x^2 - 17x + 3
(3y - 2) (4 - 3y)=12y - 9y^2 - 8 + 6y= -9y^2 + 18y - 8
