4x^3=20x^24x^2+32x+16=03(x+4)^2-10=2331/2x^2=28Please step by step solve these with an explanation! Thanks!


4x^3=20x^24x^2+32x+16=03(x+4)^2-10=2331/2x^2=28Please tramp by tramp reresolve these after a while an explanation! Thanks!