а) О.З=36b2(10b+3)-3(b+2)/36b= 20b+6-3b-6/36b=17b/36b=17/36
б)О.З= (x-6)(x+6)(x-6)2x+(x+6)2x/(x-6)(x+6)=2x^2-12x+2x^2+12x/x^2-36=4x^2/x^2-36
а) О.З=36b2(10b+3)-3(b+2)/36b= 20b+6-3b-6/36b=17b/36b=17/36
б)О.З= (x-6)(x+6)(x-6)2x+(x+6)2x/(x-6)(x+6)=2x^2-12x+2x^2+12x/x^2-36=4x^2/x^2-36