How do you solve #5n ^ { 2} - 2= 113#?

1 Answer
JS · EZ as pi
May 19, 2017

n = #+-sqrt(23)#

Explanation:

Add two to both sides of the equation:
#5n^2# = 115

Divide both sides of the equation by 5:
#n^2# = 23

Take the square root of both sides of the equation:
n = #+-sqrt(23)#

Remember there are two roots to consider.

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