3-7n^2=-340

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Solution for 3-7n^2=-340 equation: 


Simplifying
3 + -7n2 = -340

Solving
3 + -7n2 = -340

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + -7n2 = -340 + -3

Combine like terms: 3 + -3 = 0
0 + -7n2 = -340 + -3
-7n2 = -340 + -3

Combine like terms: -340 + -3 = -343
-7n2 = -343

Divide each side by '-7'.
n2 = 49

Simplifying
n2 = 49

Take the square root of each side:
n = {-7, 7}

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