wyrazenia algebraiczne
3x - x2 dla x=4
to "2" ( x2 ) jest do kwadratu
3x-x²=3×4-4²=12-16=-4
3x=3*4 x^2 =4*4
3x=12 x^2= 16
12-16 =-4
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3x-x²=3×4-4²=12-16=-4
3x=3*4 x^2 =4*4
3x=12 x^2= 16
12-16 =-4