(x+3)(x+2) = x^2 + 5x + 6
(x-2)(x+4) = x^2 + 2x - 8
(x-9)(x+2) = x^2 - 7x - 18
(2x + 1)(x+2) = 2x^2 + 5x + 2
(x-22)(3x) = 3x^2 - 66x
(x+3)(x+2) = x^2 + 5x + 6
(x-2)(x+4) = x^2 + 2x - 8
(x-9)(x+2) = x^2 - 7x - 18
(2x + 1)(x+2) = 2x^2 + 5x + 2
(x-22)(3x) = 3x^2 - 66x