Question

${n}^{2} \div 2 - 25n \div 2 + 50 = 0$
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Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

(n-5) (n-20)

Explanation:

n²/2 - 25n/2 +50 = 0

n²/2 - 25n/2 = -50

L.C.M = 2

So,

n² - 25n = -100

n² - 25n + 100 = 0

n² - (20+5)n + 100 = 0

n² - 20n - 5n + 100 = 0

n(n - 20) - 5(n - 20) = 0

(n-20) (n - 5) = 0

Value of n is 20 and 5.