oblicz 3(x2-2)-(5-6x2) w obu nawiasach jest x do potegi drugiej
3(x2-2)-(5-6x2)=3x2-6-5-6x2=-3x2-11
chyba :)
3(x²-2)-(5-6x²)=3x²-6-5+6x²=9x²-11
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3(x2-2)-(5-6x2)=3x2-6-5-6x2=-3x2-11
chyba :)
3(x²-2)-(5-6x²)=3x²-6-5+6x²=9x²-11