Rozwiąż równanie :
a) (x-1)9x-1) + x^ - 1 = 2x^ - 2
b) ( x-4)^ = (x - 2) ( x + 2 )
c x^ + (3x - 3 ) (x+1) = 1 + (2x-1)^
^ - do kwadratu
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a)9x^-x-9x+1+x^-1=2x^-2
10x^-10x=2x^-2
b)x^-8x+16=x^+2x-2x-4
x^-16x+16=x^-4
c) x^+3x^+3x-3x-3=1+4x^-4x+1
4x^-3=4x^-4x+2
Chyba o to chodziło jeśli nie to przepraszam.