Question

Упростив многочлен (8x+2xy−3y)−(2x−5xy−3y), получаем

Answer 1

$displaystyle tt (8x+2xy-3y)-(2x-5xy-3y)=8x+2xy-3y-2x+5xy+3y=\\ displaystyle tt =8x-2x+2xy+5xy-3y+3y=bold{6x+7xy}$