Question 604723
If:
{{{(x-1)(x^2-4)+2(x-1)(x+2) = (x-1)P}}} Solve for P: First, factor (x-1) on the left side.
{{{(x-1)((x^2-4)+2(x+2)) = (x-1)P}}} Divide both sides by (x-1)
{{{(x^2-4)+2(x+2) = P}}} Simplify.
{{{x^2-4+2x+4 = P}}} and so...
{{{P = x^2+2x}}} Factor an x. 
{{{P = x(x+2)}}}