proszę o szybką pomoc!!! c)(-5) do potęgi 2 + 2 *(-5)*(-4)+(-4) do potęgi 2=
25 + 2 * (-5) * (-4) + 16 = 25 + 40 + 16 = 81
c)(-5)²+2*(-5)*(-4)+(-4)²=25+40+16=81
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25 + 2 * (-5) * (-4) + 16 = 25 + 40 + 16 = 81
c)(-5)²+2*(-5)*(-4)+(-4)²=25+40+16=81