hantoncanetrapafxlw hantoncanetrapafxlw
  • 19-06-2018
  • Mathematics
contestada

What is the additive inverse of the polynomials -7y²+x²y-3xy-7x²

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Professor1994 Professor1994
  • 19-06-2018
Answer: 7y²-x²y+3xy+7x²

Solution:
We only have to multiply the polynmial by minus sign, and this changes the signs of all terms:
-(-7y²+x²y-3xy-7x²)=7y²-x²y+3xy+7x²
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brit750
brit750 brit750
  • 19-06-2018
[tex] 7x^{2} +3xy - x^{2} y + 7y^{2} [/tex]
hope this helps!
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