Помогите пожалуйста,срочно)
X^2-3x/49x^2-1 × 49x^2-14x+1/x^4-27x = = x(x-3)×(7x-1)^2/(7x-1)(7x+1)×x(x^3-27) = =x(x-3)×(7x-1)^2/(7x-1)(7x+1)×x(x-3)(x+3) = = x(7x-1)/(7x+1)×x(x+3) = = -1/x+3