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Simplifying
x2 + 0.12 + -0.8 = 0
Reorder the terms:
0.12 + -0.8 + x2 = 0
Combine like terms: 0.12 + -0.8 = -0.68
-0.68 + x2 = 0
Solving
-0.68 + x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '0.68' to each side of the equation.
-0.68 + 0.68 + x2 = 0 + 0.68
Combine like terms: -0.68 + 0.68 = 0.00
0.00 + x2 = 0 + 0.68
x2 = 0 + 0.68
Combine like terms: 0 + 0.68 = 0.68
x2 = 0.68
Simplifying
x2 = 0.68
Take the square root of each side:
x = {-0.824621125, 0.824621125}
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