72+2x^2=4x

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Solution for 72+2x^2=4x equation:


Simplifying
72 + 2x2 = 4x

Solving
72 + 2x2 = 4x

Solving for variable 'x'.

Reorder the terms:
72 + -4x + 2x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
72 + -4x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(36 + -2x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(36 + -2x + x2)' equal to zero and attempt to solve: Simplifying 36 + -2x + x2 = 0 Solving 36 + -2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-36' to each side of the equation. 36 + -2x + -36 + x2 = 0 + -36 Reorder the terms: 36 + -36 + -2x + x2 = 0 + -36 Combine like terms: 36 + -36 = 0 0 + -2x + x2 = 0 + -36 -2x + x2 = 0 + -36 Combine like terms: 0 + -36 = -36 -2x + x2 = -36 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = -36 + 1 Reorder the terms: 1 + -2x + x2 = -36 + 1 Combine like terms: -36 + 1 = -35 1 + -2x + x2 = -35 Factor a perfect square on the left side: (x + -1)(x + -1) = -35 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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