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Simplifying
-3x2 + 54 = 0
Reorder the terms:
54 + -3x2 = 0
Solving
54 + -3x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-54' to each side of the equation.
54 + -54 + -3x2 = 0 + -54
Combine like terms: 54 + -54 = 0
0 + -3x2 = 0 + -54
-3x2 = 0 + -54
Combine like terms: 0 + -54 = -54
-3x2 = -54
Divide each side by '-3'.
x2 = 18
Simplifying
x2 = 18
Take the square root of each side:
x = {-4.242640687, 4.242640687}
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