40Q-2Q^2=2Q

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Solution for 40Q-2Q^2=2Q equation:


Simplifying
40Q + -2Q2 = 2Q

Solving
40Q + -2Q2 = 2Q

Solving for variable 'Q'.

Reorder the terms:
40Q + -2Q + -2Q2 = 2Q + -2Q

Combine like terms: 40Q + -2Q = 38Q
38Q + -2Q2 = 2Q + -2Q

Combine like terms: 2Q + -2Q = 0
38Q + -2Q2 = 0

Factor out the Greatest Common Factor (GCF), '2Q'.
2Q(19 + -1Q) = 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 '(19 + -1Q)' equal to zero and attempt to solve: Simplifying 19 + -1Q = 0 Solving 19 + -1Q = 0 Move all terms containing Q to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + -1Q = 0 + -19 Combine like terms: 19 + -19 = 0 0 + -1Q = 0 + -19 -1Q = 0 + -19 Combine like terms: 0 + -19 = -19 -1Q = -19 Divide each side by '-1'. Q = 19 Simplifying Q = 19

Solution

Q = {0, 19}

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