Ответ:
1/х^2-6x+9 + 6/x^2-9 + 1/x+3 = 0
x- не равно 3 , не равно -3
1/(x-3)^2 + 6/(x-3)*(x+3) + 1/x+3=0
x+3+6(x-3)+(x-3)^2/(x-3)^2*(x+3)=0
7x-15+x^2-6x+9/(x-3)^2*(x+3)=0
x-6+x^2/(x-3)^2*(x+3)
x^2+3x-2x-6/(x-3)^2*(x+3)
x*(x+3)-2(x+3)/(x-3)^2*(x+3)
(x+3)*(x+3)/(x-3)^2*(x+3)
x-2/(x-3)^2=0
x-2=0
x=2
Объяснение:
/- дробь
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Answers & Comments
Ответ:
1/х^2-6x+9 + 6/x^2-9 + 1/x+3 = 0
x- не равно 3 , не равно -3
1/(x-3)^2 + 6/(x-3)*(x+3) + 1/x+3=0
x+3+6(x-3)+(x-3)^2/(x-3)^2*(x+3)=0
7x-15+x^2-6x+9/(x-3)^2*(x+3)=0
x-6+x^2/(x-3)^2*(x+3)
x^2+3x-2x-6/(x-3)^2*(x+3)
x*(x+3)-2(x+3)/(x-3)^2*(x+3)
(x+3)*(x+3)/(x-3)^2*(x+3)
x-2/(x-3)^2=0
x-2=0
x=2
Объяснение:
/- дробь