Please help with this polynomial calc 2 question

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?

Me find the answer and explain the process to find the answer of the problem appreciate it : )