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Simplifying
2x * x + -200 = 0
Multiply x * x
2x2 + -200 = 0
Reorder the terms:
-200 + 2x2 = 0
Solving
-200 + 2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '200' to each side of the equation.
-200 + 200 + 2x2 = 0 + 200
Combine like terms: -200 + 200 = 0
0 + 2x2 = 0 + 200
2x2 = 0 + 200
Combine like terms: 0 + 200 = 200
2x2 = 200
Divide each side by '2'.
x2 = 100
Simplifying
x2 = 100
Take the square root of each side:
x = {-10, 10}
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