Question

$2 {n}^{2} - 122n + 1800$
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Answer 1

$2 {n}^{2} - 122n + 1800 = 0$

$2{ ({n}^{2} - 61n + 900} ) = 0$

$2 \: ( {n}^{2} - 36n - 25n - 900) = 0$

$2({n(n - 36) - 25(n - 36)}) = 0$

$2(n - 36)(n - 25) = 0$

$(n - 36) (n - 25)= 0$

$➡ \: \: n = 36 \: \: or \: \: n = 25$

Answer 2

Answer:

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