Dane są wielomiany:
Wykonaj działania:
a) W(x) + Q(x)=
b) 2 x P(x) - W(x)=
w(x)+Q(x)= 6a³b²c-3ab²+7b²c+(-2a²b+7ab²-4a³b²c)=6a³b²c-3ab²+7b²c-2a²b+7ab²+4a³b²c=10a³b²c+4ab²-2a²b+7b²c= b(10a³bc+4ab-2a²+7bc)
2·P(x)-W(x)= 2(-4ab²-6a²b+b²c)-(6a³b²c-3ab²+7b²c)=-8ab²-12a²b+2b²c-6a³b²c+3ab²-7b²c= -5 ab²-12a²b -5b²c+6a³b²c=-b(5ab+12a²+5bc+6a³bc)
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w(x)+Q(x)= 6a³b²c-3ab²+7b²c+(-2a²b+7ab²-4a³b²c)=6a³b²c-3ab²+7b²c-2a²b+7ab²+4a³b²c=10a³b²c+4ab²-2a²b+7b²c= b(10a³bc+4ab-2a²+7bc)
2·P(x)-W(x)= 2(-4ab²-6a²b+b²c)-(6a³b²c-3ab²+7b²c)=-8ab²-12a²b+2b²c-6a³b²c+3ab²-7b²c= -5 ab²-12a²b -5b²c+6a³b²c=-b(5ab+12a²+5bc+6a³bc)