serenityknopp395 serenityknopp395

19-03-2021
Mathematics

contestada

Find the sum Adding and Subtracting Polynomials (2n2−5n−6)+(−n2−3n+11)=

Respuesta :

19-03-2021

collect like terms
2n2 i’m gonna assume is 2n^2
and n2 is 2n
2n^2-10n+5

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DJSINKER DJSINKER

19-03-2021

EXPLANATION :-

[tex] = (2 {n}^{2} - 5n - 6) + ( - {n}^{2} - 3n + 11)[/tex]

[tex] = 2 {n}^{2} - 5n - 6 - {n}^{2} - 3n + 11[/tex]

[tex] = 2 {n}^{2} - {n}^{2} - 5n - 3n - 6 + 11[/tex]

= (n²-8n+5)→Answer

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