Is the newer in this question is b,

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Could somebody me with this radical simplification?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.