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Simplifying
72x2 + -8 = 0
Reorder the terms:
-8 + 72x2 = 0
Solving
-8 + 72x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + 72x2 = 0 + 8
Combine like terms: -8 + 8 = 0
0 + 72x2 = 0 + 8
72x2 = 0 + 8
Combine like terms: 0 + 8 = 8
72x2 = 8
Divide each side by '72'.
x2 = 0.1111111111
Simplifying
x2 = 0.1111111111
Take the square root of each side:
x = {-0.333333333, 0.333333333}
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