Question

Даю 20 баллов!
X+9/x-3 - 6/x^2-9 : 6/(x+3)^2 - 3x-3/x-3

Answer 1

(х+9)/(х-3) - 6 (х+3)^2 / 6(х-3)(х+3) - 3(х-3) / (х-3) = (х+9)/(х-3) -- (х+3) /(х-3) - (3х-3) / (х-3) =(х+9-х-3-3х+3) / х-3 = 9-3х /х-3 = -3(х-3) /(х-3) = -3

Answer 2

СПАСИБО♥