x^2-343=0

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Solution for x^2-343=0 equation: 


Simplifying
x2 + -343 = 0

Reorder the terms:
-343 + x2 = 0

Solving
-343 + x2 = 0

Solving for variable 'x'.

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

Add '343' to each side of the equation.
-343 + 343 + x2 = 0 + 343

Combine like terms: -343 + 343 = 0
0 + x2 = 0 + 343
x2 = 0 + 343

Combine like terms: 0 + 343 = 343
x2 = 343

Simplifying
x2 = 343

Take the square root of each side:
x = {-18.520259177, 18.520259177}

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