3x^2+315=18x

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Solution for 3x^2+315=18x equation:


Simplifying
3x2 + 315 = 18x

Reorder the terms:
315 + 3x2 = 18x

Solving
315 + 3x2 = 18x

Solving for variable 'x'.

Reorder the terms:
315 + -18x + 3x2 = 18x + -18x

Combine like terms: 18x + -18x = 0
315 + -18x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(105 + -6x + x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(105 + -6x + x2)' equal to zero and attempt to solve: Simplifying 105 + -6x + x2 = 0 Solving 105 + -6x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-105' to each side of the equation. 105 + -6x + -105 + x2 = 0 + -105 Reorder the terms: 105 + -105 + -6x + x2 = 0 + -105 Combine like terms: 105 + -105 = 0 0 + -6x + x2 = 0 + -105 -6x + x2 = 0 + -105 Combine like terms: 0 + -105 = -105 -6x + x2 = -105 The x term is -6x. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6x + 9 + x2 = -105 + 9 Reorder the terms: 9 + -6x + x2 = -105 + 9 Combine like terms: -105 + 9 = -96 9 + -6x + x2 = -96 Factor a perfect square on the left side: (x + -3)(x + -3) = -96 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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