ZREDAGUJ WYRAZY PODOBNE . a ) 4 ( x do potęgi drugiej -2 ) - x * x - 3 * ( x do potęgi drugiej -2 ) = b ) 3 ( x do potęgi drugiej -2 ) - x do potęgi drugiej - 2 * ( x * x - 2 ) =
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a ) 4(x²-2)-x*x-3*(x²-2)=4x²-8-x²-3x²+6=-2
b ) 3(x²-2)-x²-2*(x*x-2)=3x²-6-x²-2(x²-2)=2x²-6-2x²+4=-2
=
4x^-8-x^-3x^-6 = -2
b) =
3x^-6- x^- 2* (x^-2)
3x^-6- x^-2x^+4=
-2
; )