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Simplifying
(2x)(-7x) = 0
Remove parenthesis around (2x)
2x(-7x) = 0
Remove parenthesis around (-7x)
2x * -7x = 0
Reorder the terms for easier multiplication:
2 * -7x * x = 0
Multiply 2 * -7
-14x * x = 0
Multiply x * x
-14x2 = 0
Solving
-14x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '-14'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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