AnistynF552821 AnistynF552821
  • 03-11-2022
  • Mathematics
contestada

(2xsqared+6x+7)+(-7x to the third power +4x+5)

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KatanaQ225891 KatanaQ225891
  • 03-11-2022

ANSWER:

[tex]-7x^3+2x^2+10x+12[/tex]

STEP-BY-STEP EXPLANATION:

We have the following expression

[tex]\mleft(2x^2+6x+7\mright)+\mleft(-7x^3+4x+5\mright)​[/tex]

We carry out the operation and we have:

[tex]2x^2+6x+7-7x^3\: +4x+5​=-7x^3+2x^2+(6x+4x)+(7+5)=-7x^3+2x^2+10x+12[/tex]

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