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Simplifying
-3x2 + 343 = 0
Reorder the terms:
343 + -3x2 = 0
Solving
343 + -3x2 = 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 + -3x2 = 0 + -343
Combine like terms: 343 + -343 = 0
0 + -3x2 = 0 + -343
-3x2 = 0 + -343
Combine like terms: 0 + -343 = -343
-3x2 = -343
Divide each side by '-3'.
x2 = 114.3333333
Simplifying
x2 = 114.3333333
Take the square root of each side:
x = {-10.69267662, 10.69267662}
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