6x^2+66x-30=0

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Solution for 6x^2+66x-30=0 equation:


Simplifying
6x2 + 66x + -30 = 0

Reorder the terms:
-30 + 66x + 6x2 = 0

Solving
-30 + 66x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-5 + 11x + x2) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(-5 + 11x + x2)' equal to zero and attempt to solve: Simplifying -5 + 11x + x2 = 0 Solving -5 + 11x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '5' to each side of the equation. -5 + 11x + 5 + x2 = 0 + 5 Reorder the terms: -5 + 5 + 11x + x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 11x + x2 = 0 + 5 11x + x2 = 0 + 5 Combine like terms: 0 + 5 = 5 11x + x2 = 5 The x term is 11x. Take half its coefficient (5.5). Square it (30.25) and add it to both sides. Add '30.25' to each side of the equation. 11x + 30.25 + x2 = 5 + 30.25 Reorder the terms: 30.25 + 11x + x2 = 5 + 30.25 Combine like terms: 5 + 30.25 = 35.25 30.25 + 11x + x2 = 35.25 Factor a perfect square on the left side: (x + 5.5)(x + 5.5) = 35.25 Calculate the square root of the right side: 5.937171044 Break this problem into two subproblems by setting (x + 5.5) equal to 5.937171044 and -5.937171044.

Subproblem 1

x + 5.5 = 5.937171044 Simplifying x + 5.5 = 5.937171044 Reorder the terms: 5.5 + x = 5.937171044 Solving 5.5 + x = 5.937171044 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = 5.937171044 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 5.937171044 + -5.5 x = 5.937171044 + -5.5 Combine like terms: 5.937171044 + -5.5 = 0.437171044 x = 0.437171044 Simplifying x = 0.437171044

Subproblem 2

x + 5.5 = -5.937171044 Simplifying x + 5.5 = -5.937171044 Reorder the terms: 5.5 + x = -5.937171044 Solving 5.5 + x = -5.937171044 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = -5.937171044 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -5.937171044 + -5.5 x = -5.937171044 + -5.5 Combine like terms: -5.937171044 + -5.5 = -11.437171044 x = -11.437171044 Simplifying x = -11.437171044

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.437171044, -11.437171044}

Solution

x = {0.437171044, -11.437171044}

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