2q^2-12q+140=0

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Solution for 2q^2-12q+140=0 equation:


Simplifying
2q2 + -12q + 140 = 0

Reorder the terms:
140 + -12q + 2q2 = 0

Solving
140 + -12q + 2q2 = 0

Solving for variable 'q'.

Factor out the Greatest Common Factor (GCF), '2'.
2(70 + -6q + q2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(70 + -6q + q2)' equal to zero and attempt to solve: Simplifying 70 + -6q + q2 = 0 Solving 70 + -6q + q2 = 0 Begin completing the square. Move the constant term to the right: Add '-70' to each side of the equation. 70 + -6q + -70 + q2 = 0 + -70 Reorder the terms: 70 + -70 + -6q + q2 = 0 + -70 Combine like terms: 70 + -70 = 0 0 + -6q + q2 = 0 + -70 -6q + q2 = 0 + -70 Combine like terms: 0 + -70 = -70 -6q + q2 = -70 The q term is -6q. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6q + 9 + q2 = -70 + 9 Reorder the terms: 9 + -6q + q2 = -70 + 9 Combine like terms: -70 + 9 = -61 9 + -6q + q2 = -61 Factor a perfect square on the left side: (q + -3)(q + -3) = -61 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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