x^2+4n-9=0

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Solution for x^2+4n-9=0 equation: 


Simplifying
x2 + 4n + -9 = 0

Reorder the terms:
-9 + 4n + x2 = 0

Solving
-9 + 4n + x2 = 0

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 4n + 9 + x2 = 0 + 9

Reorder the terms:
-9 + 9 + 4n + x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 4n + x2 = 0 + 9
4n + x2 = 0 + 9

Combine like terms: 0 + 9 = 9
4n + x2 = 9

Add '-1x2' to each side of the equation.
4n + x2 + -1x2 = 9 + -1x2

Combine like terms: x2 + -1x2 = 0
4n + 0 = 9 + -1x2
4n = 9 + -1x2

Divide each side by '4'.
n = 2.25 + -0.25x2

Simplifying
n = 2.25 + -0.25x2

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