Wykonaj Dzialania. a) 5x-[5x-(6x-2)]+(x-8).?? b) (a^-3b^)+[-(a^-2ab-b^)a2ab] >> te kreseczki ^^ to do potegi 2 ??prosze
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5x-(5x-6x+2)+x-8=
5x-(-x+2)+x-8=
5x+x-2+x-8=
7x-10
a) 5x-5x+6x-2+x-8= 7x -10
b) a^-3b^-2a^^b+4a^^b^+2a^b^^
^^ oznacza potęgę 3