Answers

2014-08-03T13:55:39+08:00
4x+4
2x^3+2

2x^-1+2

Final answer:  \frac{2}{2x}
0
2014-08-03T13:59:12+08:00
(4x + 4)/(2x^3 + 2) = 4(x+1) / 2(x^3 + 1) *expanding x^3 + 1 = 4(x+1) / 2(x + 1)(x^2 - x + 1) *cancelling similar terms = 2 / (x^2 - x + 1)
0