3x^2-30x+225=0

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Solution for 3x^2-30x+225=0 equation:


Simplifying
3x2 + -30x + 225 = 0

Reorder the terms:
225 + -30x + 3x2 = 0

Solving
225 + -30x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(75 + -10x + x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(75 + -10x + x2)' equal to zero and attempt to solve: Simplifying 75 + -10x + x2 = 0 Solving 75 + -10x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-75' to each side of the equation. 75 + -10x + -75 + x2 = 0 + -75 Reorder the terms: 75 + -75 + -10x + x2 = 0 + -75 Combine like terms: 75 + -75 = 0 0 + -10x + x2 = 0 + -75 -10x + x2 = 0 + -75 Combine like terms: 0 + -75 = -75 -10x + x2 = -75 The x term is -10x. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10x + 25 + x2 = -75 + 25 Reorder the terms: 25 + -10x + x2 = -75 + 25 Combine like terms: -75 + 25 = -50 25 + -10x + x2 = -50 Factor a perfect square on the left side: (x + -5)(x + -5) = -50 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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