wykonaj dzialania
a) x3-3x+2x(4x2-2x+7)=
b)-8x3+2x-(x3-3x2+2x)=
c)x2(x3-3x)=
d) x3(2x2-x-1)=
a) x³-3x+2x(4x²-2x+7)= x³ -3x + 8x³ -4x² + 14x = 9x³ -4x²+11x
b)-8x³+2x-(x³-3x²+2x)=-8x³ + 2x -x³+3x²-2x = -9x³+3x²
c)x²(x³-3x)=x⁵ -3x³
d) x³(2x²-x-1)=2x⁵-x⁴-x³
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a) x³-3x+2x(4x²-2x+7)= x³ -3x + 8x³ -4x² + 14x = 9x³ -4x²+11x
b)-8x³+2x-(x³-3x²+2x)=-8x³ + 2x -x³+3x²-2x = -9x³+3x²
c)x²(x³-3x)=x⁵ -3x³
d) x³(2x²-x-1)=2x⁵-x⁴-x³