Onw of the factors of the polynomial x^3+5x^2+6x is (x^2 +3x)

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Somone me i want to know what 18 hours out of 24 hours in a fraction

Need solving this second acceleration problem.