Question

3)Simplifique os polimômio:

A)8xy+3xyz-4xyz+2xy

B)a+b+ab+5b+3b+9a-5c

C)
${x}^{3} + 10 {x}^{2} + 5x - 8 {x}^{2} - {x}^{3}$

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Answer 1

A)=(3xyz+8xy)−4xyz+2xy=

=(−xyz+8xy)+2xy=

=−xyz+10xy

B)=(ab+a+6b)+3b+9a−5c=

=(ab+a+9b)+9a−5c=

=ab+10a+9b−5c

C)=(x3+2x2+5x)−x3=

=2x2+5x