Answers

2014-08-06T20:05:24+08:00
X^3-x.. get their similarities which is x then divide x to x^3 and to x.. just copy the sign.
x(x^2-1)
0
is that connected or your asking me to answer that two?
always remember to get first their similarities first then divide it..
2x^4-162 .. get their similarities which is 2 then divede 2 to 2^4 and to 162.. 2(x^4-81)
yeah
(x^2-1) = (x+1)(x-1)
2014-08-07T01:23:01+08:00