Simplify a)6+[12-5 multiply by 2 +{2+ small bracket 8 divided by 4 -2 small bracket curley bracket ]

make a meaningful question and solve this

only for math legends who are the dad of albert einstein

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0