Write 3x^3-21x^2+36x in factored form

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a