преведите дроби к общему знаменателю
2x/3x-3y и 3y/4x+4y
- 2x/(3x-3y)=3y/(4x+4y)
2x/(3x-3y)-3y/(4x+4y)=0(2x(4x+4y)-3y(3x-3y))/(12(x-y)(x+y))=0(8x²+8xy-9x²+9xy)/(12(x-y)(x+y))=0(-x²+17xy)/(12(x-y)(x+y))=0-x(x+17y)/(12(x²-y²))=0-x(x+17y)=0 12(x²-y²)≠0 x=0, x=-17y - 2x/3x-3y и 3y/4x+4y
2x/3(x-y) и 3y/4(x+y)2x*4(x+y)/3(x-y)4(x+y) и 3y*3(x-y) /4(x+y)3(x-y)8x(x+y) / 12(x^2-y^2) и 9y(x-y) / 12(x^2-y^2)