(x²-4)/(x²(x+3)-4(x+3))=0
(x²-4)/(x²-4)(x+3)=0
ОДЗ: x≠2, x≠-2, x≠-3
1/(x+3)≠0
x∈∅
(x²-3x-10)/(x-5)=0
ОДЗ: x≠5
(x²-5x+2x-10)/(x-5)=0
(x-5)(x+2)/(x-5)=0
x+2=0
x= -2
6x - 20x = -5 -2
-14x = -7
х³-49х=0
х(х²-49)=0
х₁=0 х²-49=0
х²=49
х₂=7 х₃=-7