>>6
Isn't that a little complex for this problem?
>>7
You did that on purpose, huh? Sneaky.
>>8
I dunno what you're talking about, but I like it.
Since the assignment is probably past due, I wanna try.
Normally you would just find the roots of the terms inside the brackets, but the 1 complicates things. it must first be subtracted. You then do the trinomial expansion of the factored polynomial. You can find the terms by using Pascals triangle and the form a^n*b^0 + a^n-1*b^1 + ... + a^0*b^n. (or just use the trinomial expansion theorem).
Next you need to combine your terms. The -1 will cancel at this point. You should be able to factor, as 7 did, making one of your roots 0, and giving you a quadratic equation to solve. Once you've solved for your solutions, if there is a negative square root, factor that out as i, and you have your answer.
Good job 7. You da man.