Question 88963
Notice if you foil {{{(7x -3)(2x -2)}}} we get


{{{(7x -3)(2x -2)=7x*2x+7x*-2-3*2x-3*-2}}}


which simplifies to 


{{{(7x -3)(2x -2)=14x^2-14x-6x+6}}}


where the 2 middle terms -14x and -6x combine to -20x


{{{(7x -3)(2x -2)=14x^2-20x+6}}}