7n^2+4=438

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Solution for 7n^2+4=438 equation:


Simplifying
7n2 + 4 = 438

Reorder the terms:
4 + 7n2 = 438

Solving
4 + 7n2 = 438

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + 7n2 = 438 + -4

Combine like terms: 4 + -4 = 0
0 + 7n2 = 438 + -4
7n2 = 438 + -4

Combine like terms: 438 + -4 = 434
7n2 = 434

Divide each side by '7'.
n2 = 62

Simplifying
n2 = 62

Take the square root of each side:
n = {-7.874007874, 7.874007874}

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