Show that (4x−3)(x+2)(2x+5)=8x3+30x2+13x−30(4x - 3)(x + 2)(2x + 5) = 8x^3 + 30x^2 + 13x - 30(4x−3)(x+2)(2x+5)=8x3+30x2+13x−30 for all values of xxx.