Ja bym to zrobiła tak xda) -4x + 12/x-3 + x-3/x+2 /* (x-3) * (x+2)= -4x(x-3)*(x+2) + 12(x+2) +(x-3)*(x-3)= -4x + x(do kwadratu) + 2x - 3x - 6 + 12x + 24 + x(do kwadratu) - 3x - 3x +9=x+2x(do kwadratu)+27b)2x-1/2x+1+2-4x/2x-1 /*2x=4x(do kwadratu)-1+2x+2-4x-2x=4x(do kwadratu)+1-4x
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Ja bym to zrobiła tak xd
a) -4x + 12/x-3 + x-3/x+2 /* (x-3) * (x+2)= -4x(x-3)*(x+2) + 12(x+2) +(x-3)*(x-3)= -4x + x(do kwadratu) + 2x - 3x - 6 + 12x + 24 + x(do kwadratu) - 3x - 3x +9=x+2x(do kwadratu)+27
b)2x-1/2x+1+2-4x/2x-1 /*2x=4x(do kwadratu)-1+2x+2-4x-2x=4x(do kwadratu)+1-4x