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Answer :

Answer:

Option D

Step-by-step explanation :

Minus 10n and 48 from both sides

2n² - 10n - 48 = 0

→ Divide everything by 2

n² - 5n - 24 = 0

→ Factorise

( n + 3 ) ( n - 8 )

Answer:

D

Step-by-step explanation:

2n²-10n-48=0

n²-5n-24=0

(n-8)(n+3)

n-8=0

n=8

n+3=0

n=-3