jedno wyrazenie algebraiczne
(x-4)²+5x-(x-3)(3+x)+2(x²+5) x=-1
ma wyjść 20
(x-4)²+5x-(x-3)(3+x)+2(x²+5)=x²-8x+16+5x-x²-9+2x²+10=2x²+17-3x=2*(-1)²+17-3*(-1)=20
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(x-4)²+5x-(x-3)(3+x)+2(x²+5)=x²-8x+16+5x-x²-9+2x²+10=2x²+17-3x=2*(-1)²+17-3*(-1)=20