2q^2=4q

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Solution for 2q^2=4q equation:


Simplifying
2q2 = 4q

Solving
2q2 = 4q

Solving for variable 'q'.

Reorder the terms:
-4q + 2q2 = 4q + -4q

Combine like terms: 4q + -4q = 0
-4q + 2q2 = 0

Factor out the Greatest Common Factor (GCF), '2q'.
2q(-2 + q) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'q' equal to zero and attempt to solve: Simplifying q = 0 Solving q = 0 Move all terms containing q to the left, all other terms to the right. Simplifying q = 0

Subproblem 2

Set the factor '(-2 + q)' equal to zero and attempt to solve: Simplifying -2 + q = 0 Solving -2 + q = 0 Move all terms containing q to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + q = 0 + 2 Combine like terms: -2 + 2 = 0 0 + q = 0 + 2 q = 0 + 2 Combine like terms: 0 + 2 = 2 q = 2 Simplifying q = 2

Solution

q = {0, 2}

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