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Simplifying
0 = 2x(-1x)
Remove parenthesis around (-1x)
0 = 2x * -1x
Reorder the terms for easier multiplication:
0 = 2 * -1x * x
Multiply 2 * -1
0 = -2x * x
Multiply x * x
0 = -2x2
Solving
0 = -2x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '2x2' to each side of the equation.
0 + 2x2 = -2x2 + 2x2
Remove the zero:
2x2 = -2x2 + 2x2
Combine like terms: -2x2 + 2x2 = 0
2x2 = 0
Divide each side by '2'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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