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Simplifying
0.1x2 + -6.4 = 0
Reorder the terms:
-6.4 + 0.1x2 = 0
Solving
-6.4 + 0.1x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '6.4' to each side of the equation.
-6.4 + 6.4 + 0.1x2 = 0 + 6.4
Combine like terms: -6.4 + 6.4 = 0.0
0.0 + 0.1x2 = 0 + 6.4
0.1x2 = 0 + 6.4
Combine like terms: 0 + 6.4 = 6.4
0.1x2 = 6.4
Divide each side by '0.1'.
x2 = 64
Simplifying
x2 = 64
Take the square root of each side:
x = {-8, 8}
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