7n^2=28+21

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Solution for 7n^2=28+21 equation: 


Simplifying
7n2 = 28 + 21

Combine like terms: 28 + 21 = 49
7n2 = 49

Solving
7n2 = 49

Solving for variable 'n'.

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

Divide each side by '7'.
n2 = 7

Simplifying
n2 = 7

Take the square root of each side:
n = {-2.645751311, 2.645751311}

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