3x^2-4n-5=0

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Solution for 3x^2-4n-5=0 equation:


Simplifying
3x2 + -4n + -5 = 0

Reorder the terms:
-5 + -4n + 3x2 = 0

Solving
-5 + -4n + 3x2 = 0

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + -4n + 5 + 3x2 = 0 + 5

Reorder the terms:
-5 + 5 + -4n + 3x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -4n + 3x2 = 0 + 5
-4n + 3x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-4n + 3x2 = 5

Add '-3x2' to each side of the equation.
-4n + 3x2 + -3x2 = 5 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-4n + 0 = 5 + -3x2
-4n = 5 + -3x2

Divide each side by '-4'.
n = -1.25 + 0.75x2

Simplifying
n = -1.25 + 0.75x2

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