Question

Which expressions represent a quadratic expression in factored form?

(x - 3)(x + 2)
(x + 4) - (x + 6)
5(x + 9)
3 x2 + 8x
(x - 1)(x - 1)

Answer 1

`ax^2+bx+c=a(x-x_1)(x-x_2)=>\\\text{Ans:} (x-3)(x+2)`