4n^2+13=20

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Solution for 4n^2+13=20 equation: 


Simplifying
4n2 + 13 = 20

Reorder the terms:
13 + 4n2 = 20

Solving
13 + 4n2 = 20

Solving for variable 'n'.

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

Add '-13' to each side of the equation.
13 + -13 + 4n2 = 20 + -13

Combine like terms: 13 + -13 = 0
0 + 4n2 = 20 + -13
4n2 = 20 + -13

Combine like terms: 20 + -13 = 7
4n2 = 7

Divide each side by '4'.
n2 = 1.75

Simplifying
n2 = 1.75

Take the square root of each side:
n = {-1.322875656, 1.322875656}

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