dane są wielomiany: W(x)=3x^{3}+x^{2}+1 , P(x)=x+3 oraz Q(x)=x^{2}-3. Wyznacz wielomian W(x)*P(x)-Q(x)
W(x)=3x^{3}+x^{2}+1
P(x)=x+3
Q(x)=x^{2}-3
W(x)*P(x)-Q(x)
(3x^{3}+x^{2}+1) × (x+3) - (x^{2}-3) = 3x^{4} + x^{3} + x + 9x^{3} + 3x^{2} + 3 - x^{2} + 3 = 3x^{4} + 10x^{3} + 2x^{2} + x + 6
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W(x)=3x^{3}+x^{2}+1
P(x)=x+3
Q(x)=x^{2}-3
W(x)*P(x)-Q(x)
(3x^{3}+x^{2}+1) × (x+3) - (x^{2}-3) = 3x^{4} + x^{3} + x + 9x^{3} + 3x^{2} + 3 - x^{2} + 3 = 3x^{4} + 10x^{3} + 2x^{2} + x + 6