Question

n2 +3n+2=90 plz solve​

Answer 1

$n^{2} + 3n - 88 \\ n^{2} + 11n - 8n - 88 \\ n{n + 11} - 8{n + 11} \\ {n - 8}{n + 11} \\ n = 8 \\ or \\ n = - 11$

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