zero
(x + 2)(x^2 + 2x + 3)
72-4*4*4 = -15 The discriminant is less than zero so there's no solutions to the quadratic equation.
(4x+5)(x-3)
(x-2)(x+1)(x+5)
zero
It is: 4x2-7x-15 when factored is (4x+5)(x-3)
(4x + 5)(x - 3)
4x2-7x-15 = (4x+5)(x-3) when factored
(4x + 5)(x - 3)
(x + 2)(x^2 + 2x + 3)
7x+20-15=7x+5
72-4*4*4 = -15 The discriminant is less than zero so there's no solutions to the quadratic equation.
4x2-7x-15 (4x+5)(x-3)
124 (?) Try to do it on the calculator on your computer * * * * * No, 4x2 + 14x + 12 is factorised, as follows: 4x2 + 14x + 12 = 2(2x2 + 7x + 6) = 2(x + 2)(2x + 3).
(4x+5)(x-3)
(x + 1)(x - 2)(x + 5)