1 1 1------------------ + ---------------------+ ------------------ <=1 (x+2)(x+3) (x+2)(x+4) x^2+7x+12 1 1 1---------------- +---------------------- + ------------------------- - 1<=0(x+2)(x+3) (x+2)(x+4) (x+3)(x+4) x+4+x+3+x+2-(x+2)(x+3)(x+4)--------------------------------------------------------- <=0 (x+2)(x+3)(x+4) 3(x+3)-(x+2)(x+3)(x+4)---------------------------------------- <=0 (x+2)(x+3)(x+4) (x+3)(3-(x+2)(x+4)--------------------------------- <=0 (x+2)(x+3)(x+4) -(x+3)(x²+6x+5)------------------------------ <=0 (x+2)(x+3)(x+4) - (x+3)(x+1)(x+5)------------------------ <=0 (x+2)(x+3)(x+4) смогла только упростить(((
1 1 1
------------------ + ---------------------+ ------------------ <=1
(x+2)(x+3) (x+2)(x+4) x^2+7x+12
1 1 1
---------------- +---------------------- + ------------------------- - 1<=0
(x+2)(x+3) (x+2)(x+4) (x+3)(x+4)
x+4+x+3+x+2-(x+2)(x+3)(x+4)
--------------------------------------------------------- <=0
(x+2)(x+3)(x+4)
3(x+3)-(x+2)(x+3)(x+4)
---------------------------------------- <=0
(x+2)(x+3)(x+4)
(x+3)(3-(x+2)(x+4)
--------------------------------- <=0
(x+2)(x+3)(x+4)
-(x+3)(x²+6x+5)
------------------------------ <=0
(x+2)(x+3)(x+4)
- (x+3)(x+1)(x+5)
------------------------ <=0
(x+2)(x+3)(x+4)
смогла только упростить(((