2x2 - 9x + 10 = 2x2 - 4x - 5x + 10 = 2x(x - 2) - 5(x - 2) = (x - 2)(2x - 5)
(2x+3)(2x+4)
(x + 1)(2x + 5)
(2x + 1)(x + 2)
x2+2x-120 = (x+12)(x-10) when factored
(2x+3)(x+3)
(2x - 3)(2x - 3)
(2x - 5)(2x - 5) or (2x - 5) squared
2x(x^2+x-6)
8
(2x - 3)(x + 2)
(2x-3)(x-1)
4