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1. Simplifică rapoartele:
a) x+2/ x la a 2-4
b) 3x-x la a 2/ 9-x la a 2
c) 4x la a 2-1/ 6x-3


2. Amplifică rapoartele cu x-2:
a) x-2/ x
b) x+2/ x-2
c) x la a 2-4/ x la a 2
d) 2/ x+2


Răspuns :

a)(x+2)/(x+2)(x-2)=1/x-2
b)x(3-x)/(3-x)(3+x)=x/3+x
c)(2x-1)(2x+1)/3(2x-1)=(2x-1)/3
ex.2
(x²-4x+4)/x²-2x
b)(x²-4)/(x²-4x+4)
c)(x³-2x²-4x+8)/x³-2x²
d)2x-4/x²-4