Posted by kellie on Wednesday, August 3, 2011 at 4:48pm.
Is this what you like simplified? (x³ + x²)/((x+4)(x-4)) * (x+4)/(3x^{4} + x³ + 2x²) Hint: Cancel the common factor (x+4). The second denominator can be factored into x²(3x²+x+2)