Question

please factories this☝️
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and don't answer if u don't know​

Answer 1

==>

$2 {n}^{2} - 10n - 28 = 0$

==>

$(2 {n}^{2} - 10n) - 28 = 0$

==>

$(8n - 28) = 0$

==>

$- 20n = 0$

==>

$n = 0 + 28$

==>

$n = 28$