7x^2+11y-6/9-49x^2 сократите дробь
решите пожалуйста срочно надо

7x^2+11y-6/9-49x^2=7x^2+11y-6/9-49x^2=-42x^2+11y-2/3

(7x² + 11x - 6) / (9 - 49x²) = (7(x - 3/7)(x - 2)] / [(3 - 7x)(3 + 7x)] =
= [(7x - 3)(x - 2)] / [(3 - 7x)(3 + 7x) = - (x - 2) / (3 + 7x) = (2 - x) / ( 3 + 7x)