Question 863929
x^2+6x-7


{{{x^2+7x-x-7}}}


{{{x(x+7)-1(x+7)}}}


(x+7)(x-1)



{{{((2x-2)/x)*(5x^2/(4x-4))}}}


(2(x-1))/x)*(5x^2/(4(x-1))

=5x/2