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Simplifying
q(-4q) = 0
Remove parenthesis around (-4q)
q * -4q = 0
Reorder the terms for easier multiplication:
-4q * q = 0
Multiply q * q
-4q2 = 0
Solving
-4q2 = 0
Solving for variable 'q'.
Move all terms containing q to the left, all other terms to the right.
Divide each side by '-4'.
q2 = 0
Simplifying
q2 = 0
Take the square root of each side:
q = {0}
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