x2-7x-30
x^2-7x-30=(x+3)(x-10)
(x-10)(x+3)
x^2 - 7x - 30
a = 1 b = 7 c = 30
a x c = ?
1 x -30 = -30
factors of -30 that could equal, if you add them, -7
in this case it is -10 and 3
(x+3) (x + 10)
