culpilovejesuspel4hk culpilovejesuspel4hk

19-09-2018
Mathematics

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Subtract: (-14z^2+1)-(-13z^2)

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nhatminh082004pc2e48 nhatminh082004pc2e48

19-09-2018

I guest it is -z^2+1

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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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