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Calculati x•x+x+x:x=
(X+4)(x-3)-x+12=
3(x²-2x-2)+x(6-3x)=
(x•x²•x³•x⁴):x la a 10•x=
(2x+1)²-(2x-1)²=
(x²+x+1)²=
Va rog URGEEEENT