Question 351955
Look for common factors.
{{{((m^2-1)/(m-1)^2)*((2m-2)/(3m+3))=(((m+1)(m-1))/(m-1)^2)*((2(m-1))/(3(m+1)))}}}
{{{((m^2-1)/(m-1)^2)*((2m-2)/(3m+3))=((cross((m+1))*cross((m-1)))/cross((m-1)^2))*((2*cross((m-1)))/(3*cross((m+1))))}}}
{{{((m^2-1)/(m-1)^2)*((2m-2)/(3m+3))=highlight_green(2/3)}}}