Question 466409
1) {{{(x+2)(x+3)-(2-x)(x+3)=(x+3)(x+2-2+x)=2x(x+3)}}}.

2){{{5(x-2)-3(2-x)(x+7)=5(x-2)+3(x-2)(x+7)=(x-2)(5+3x+21)=(x-2)(3x+26)}}}.