5x^2-30x+135=0

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Solution for 5x^2-30x+135=0 equation:


Simplifying
5x2 + -30x + 135 = 0

Reorder the terms:
135 + -30x + 5x2 = 0

Solving
135 + -30x + 5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(27 + -6x + x2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(27 + -6x + x2)' equal to zero and attempt to solve: Simplifying 27 + -6x + x2 = 0 Solving 27 + -6x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-27' to each side of the equation. 27 + -6x + -27 + x2 = 0 + -27 Reorder the terms: 27 + -27 + -6x + x2 = 0 + -27 Combine like terms: 27 + -27 = 0 0 + -6x + x2 = 0 + -27 -6x + x2 = 0 + -27 Combine like terms: 0 + -27 = -27 -6x + x2 = -27 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 = -27 + 9 Reorder the terms: 9 + -6x + x2 = -27 + 9 Combine like terms: -27 + 9 = -18 9 + -6x + x2 = -18 Factor a perfect square on the left side: (x + -3)(x + -3) = -18 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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