3x^2+6x+240=0

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Solution for 3x^2+6x+240=0 equation:


Simplifying
3x2 + 6x + 240 = 0

Reorder the terms:
240 + 6x + 3x2 = 0

Solving
240 + 6x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(80 + 2x + x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(80 + 2x + x2)' equal to zero and attempt to solve: Simplifying 80 + 2x + x2 = 0 Solving 80 + 2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-80' to each side of the equation. 80 + 2x + -80 + x2 = 0 + -80 Reorder the terms: 80 + -80 + 2x + x2 = 0 + -80 Combine like terms: 80 + -80 = 0 0 + 2x + x2 = 0 + -80 2x + x2 = 0 + -80 Combine like terms: 0 + -80 = -80 2x + x2 = -80 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 = -80 + 1 Reorder the terms: 1 + 2x + x2 = -80 + 1 Combine like terms: -80 + 1 = -79 1 + 2x + x2 = -79 Factor a perfect square on the left side: (x + 1)(x + 1) = -79 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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