Ответы и объяснения

2012-05-28T20:57:49+00:00

1. 6/(x-3)(x+3) * (x+3)^2/ 6 = (x+3)/(x-3)
2.( x+9-3-x)/( x-3) = 6/ (x-3)
3. 6/ (x-3) - (3x-3)/(x-3) = - 3