38 because since all abc and xy have the same coefficients it makes it easier. i just made a=-2, b=-4,and c=4 because when added up it equals -2 i also made both x and y =5 becasue when added up it equals 10 so, -9(-2)+2(5)-9(-4)-9(4)+2(5) 18+10+36-36+10=38
