(y-4)(y+6) = y^2 + 6y - 4y - 24 = y^2 + 2y - 24(4a+1)(2a-3) = 8a^2 - 12a + 2a - 3 = 8a^2 - 10a - 3(2y-b)(4y+3b) = 8y^2 + 6by - 4by - 3b^2 = 8y^2 + 2by - 3b^2(a-3)(a^2-5a+10) = a^3 - 5a^2 + 10a - 3a^2 + 15a - 30 = a^3 - 8a^2 + 25a - 30
(y-4)(y+6) = y^2 + 6y - 4y - 24 = y^2 + 2y - 24
(4a+1)(2a-3) = 8a^2 - 12a + 2a - 3 = 8a^2 - 10a - 3
(2y-b)(4y+3b) = 8y^2 + 6by - 4by - 3b^2 = 8y^2 + 2by - 3b^2
(a-3)(a^2-5a+10) = a^3 - 5a^2 + 10a - 3a^2 + 15a - 30 = a^3 - 8a^2 + 25a - 30