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Simplifying
81x2 + -192 = 0
Reorder the terms:
-192 + 81x2 = 0
Solving
-192 + 81x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '192' to each side of the equation.
-192 + 192 + 81x2 = 0 + 192
Combine like terms: -192 + 192 = 0
0 + 81x2 = 0 + 192
81x2 = 0 + 192
Combine like terms: 0 + 192 = 192
81x2 = 192
Divide each side by '81'.
x2 = 2.37037037
Simplifying
x2 = 2.37037037
Take the square root of each side:
x = {-1.539600718, 1.539600718}
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