culpilovejesuspel4hk
culpilovejesuspel4hk culpilovejesuspel4hk
  • 19-09-2018
  • Mathematics
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Subtract: (-14z^2+1)-(-13z^2)

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nhatminh082004pc2e48
nhatminh082004pc2e48 nhatminh082004pc2e48
  • 19-09-2018
I guest it is -z^2+1
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jukkaduei
jukkaduei jukkaduei
  • 19-09-2018
[tex]( - 14 {z}^{2} + 1) - ( - 13 {z}^{2} ) \\ = - 14 {z }^{2} + 1 + 13 {z}^{2} \\ = ( - 14 {z}^{2} + 13 {z}^{2} ) + 1 \\ = - {z}^{2} + 1[/tex]
The answer is -z^2+1
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