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Simplifying
(2x)(-5x) = 0
Remove parenthesis around (2x)
2x(-5x) = 0
Remove parenthesis around (-5x)
2x * -5x = 0
Reorder the terms for easier multiplication:
2 * -5x * x = 0
Multiply 2 * -5
-10x * x = 0
Multiply x * x
-10x2 = 0
Solving
-10x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '-10'.
x2 = 0.0
Simplifying
x2 = 0.0
Take the square root of each side:
x = {0.0}
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