Question 503849
{{{((1/7)x^2-2/5)((1/2)x-1/2)}}}


{{{((1*5/(7*5))x^2-2*7/(5*7))((x-1)/2)}}}



{{{((5/35)x^2-14/35)((x-1)/2)}}}



{{{((5x^2-14)/35)((x-1)/2)}}}


{{{((5x^2-14)(x-1))/(2*35)}}}


{{{((5x^3-5x^2-14x+14))/70}}}