Respuesta :

cad311
collect like terms
2n2 i’m gonna assume is 2n^2
and n2 is 2n
2n^2-10n+5
DJSINKER

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

I hope that it answer your question...

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