Dane są wielomiany W(x)=4x³-2x²-x+3 , Q(x)=8x-5, R(x)=x²+x+2 . Oblicz 3W(x)-2Q(x)*R(x)
3(W(x)-2Q(x)×R(x)3(4x³-2x²-x-3)-2(8x-5)(x²+x+2)=12x³-6x²-3x-9-2(8x³+3x²+11x-10)==12x³-6x²-3x-9-16x³-6x²-22x+20=-4x³-12x²-25x+1
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3(W(x)-2Q(x)×R(x)
3(4x³-2x²-x-3)-2(8x-5)(x²+x+2)=12x³-6x²-3x-9-2(8x³+3x²+11x-10)=
=12x³-6x²-3x-9-16x³-6x²-22x+20=-4x³-12x²-25x+1