Ответ:
Объяснение:
(x-2)/(x+1) -5/(1-x)=(x²+27)/(x²-1) ⇒ x+1≠0 ⇒ x≠-1; 1-x≠0 ⇒ x≠1
(x-2)/(x+1) +5/(x-1)=(x²+27)/((x-1)(x+1))
((x-2)(x-1)+5(x+1))/((x-1)(x+1))=(x²+27)/((x-1)(x+1))
x²-3x+2+5x+5=x²+27
x²+2x-x²=27-7
x=20/2
x=10
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Verified answer
Ответ:
Объяснение:
(x-2)/(x+1) -5/(1-x)=(x²+27)/(x²-1) ⇒ x+1≠0 ⇒ x≠-1; 1-x≠0 ⇒ x≠1
(x-2)/(x+1) +5/(x-1)=(x²+27)/((x-1)(x+1))
((x-2)(x-1)+5(x+1))/((x-1)(x+1))=(x²+27)/((x-1)(x+1))
x²-3x+2+5x+5=x²+27
x²+2x-x²=27-7
x=20/2
x=10