wykonaj działania : tylko trzy przykłady kl II gim : ) !
a ) 6(x-4)*(x^2-4) =
b) (8ac-a) * (8ac+c) =
c) (5x-2) * (5x+2)+(2x-5)*(2x+5) =
^2= do potęgi drugie j ; *
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a) 6x^3-24x^2 -24x+96
b)64a^2c^2+ 8ac^2- 8a^2c-ac
c)25x-4 + 4x -25= 29x -29
a ) 6(x-4)*(x^2-4) =
6*(x^3-4x-4x^2+16)=6x^3-24x-24x^2+96
b) (8ac-a) * (8ac+c) =
64a^2c^2+8ac^2-8a^2c-ac
c) (5x-2) * (5x+2)+(2x-5)*(2x+5) =
25x^2-4+4x^2-25=29x^2-29