briannaj789 briannaj789

15-01-2020
Mathematics

contestada

Solve for n.
2n^2 = 10n +48

Solve for n 2n2 10n 48 class=

Respuesta :

marcthemathtutor marcthemathtutor

15-01-2020

Answer:

n = -3 or 8

Step-by-step explanation:

2n² = 10n +48 (rearrange)

2n²- 10n - 48 = 0 (divide all terms by 2)

n²- 5n - 24 = 0

by factorization,

(n+3)(n-8) = 0

hence,

n+3 = 0 ----> n = -3

or

n-8 = 0 ----> n = 8

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