сократите дробь (x2+5x-6)(x2-3x+2)/(x2+2x+1)(x2-36)

Ответ
(x2+5x-6)(x2-3x+2)/(x2+2x+1)(x2-36) = =>

__ (x2+5x-6) = (x+6)(x-1)
__ (x2-3x+2) = (x-2)(x-1)
__ (x2+2x+1) = (x+1)^2
__ (x2-36) = (x+6)(x-6)
=>
= (x+6)(x-1)*(x-2)(x-1) \ (x+1)^2*(x+6)(x-6) =
= (x-1)^2*(x-2) \ (x+1)^2*(x-6) =