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Simplifying
0 = 0.5x2 + -4
Reorder the terms:
0 = -4 + 0.5x2
Solving
0 = -4 + 0.5x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-0.5x2' to each side of the equation.
0 + -0.5x2 = -4 + 0.5x2 + -0.5x2
Remove the zero:
-0.5x2 = -4 + 0.5x2 + -0.5x2
Combine like terms: 0.5x2 + -0.5x2 = 0.0
-0.5x2 = -4 + 0.0
-0.5x2 = -4
Divide each side by '-0.5'.
x2 = 8
Simplifying
x2 = 8
Take the square root of each side:
x = {-2.828427125, 2.828427125}
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