Wyrażenie ( można przedstawić w postaci:
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PROSZĘ O SZCZEGOLOWE OBLICZENIA
(x-2)²+(x+2)³-(x-2)(x²+2x+4)=
x²-4x+4+x³+6x²+12x+8-(x³+2x²+4x-2x²-4x-8)=
x³+7x²+8x+12-x³+8=
7x²+8x+20
odp. a]
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(x-2)²+(x+2)³-(x-2)(x²+2x+4)=
x²-4x+4+x³+6x²+12x+8-(x³+2x²+4x-2x²-4x-8)=
x³+7x²+8x+12-x³+8=
7x²+8x+20
odp. a]