I know I will be using partial fraction decomposition on this problem, at least it seems that way. so far, what I have is this:
Multiplying by the LCD : $(x+3)^2(x^2+3)$
I am left with :
By setting $x=-3:B=-4$
Now is where I am running into trouble. Now that I can substitute B into the original decomposition equation, There is no value of x that will leave only one variable to solve for. Please lend me a hand you guys(and girls). Thanks!