algebra 2 help *snowymoon06*

my math teacher gave us half of our semester test before the break. he wants us to do the problems. i'm stuck on #2 already LOL!!! i've got a program on my calculator that can find the roots to a polynomial equation. i have the answers, but i don't know how i'd do it by hand.

P(x) = 2x^5-3x^4-2x^3+7x^2-2x-6

Find all real and imaginary roots of P(x) = 0. identify andy multiple roots.

i forget what the imaginary roots are, but the real roots ended up to be something like: 1.5, 1.00000000000025, .999999999999867

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