2x^2+36x-360=0

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Solution for 2x^2+36x-360=0 equation:


Simplifying
2x2 + 36x + -360 = 0

Reorder the terms:
-360 + 36x + 2x2 = 0

Solving
-360 + 36x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-180 + 18x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-180 + 18x + x2)' equal to zero and attempt to solve: Simplifying -180 + 18x + x2 = 0 Solving -180 + 18x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '180' to each side of the equation. -180 + 18x + 180 + x2 = 0 + 180 Reorder the terms: -180 + 180 + 18x + x2 = 0 + 180 Combine like terms: -180 + 180 = 0 0 + 18x + x2 = 0 + 180 18x + x2 = 0 + 180 Combine like terms: 0 + 180 = 180 18x + x2 = 180 The x term is 18x. Take half its coefficient (9). Square it (81) and add it to both sides. Add '81' to each side of the equation. 18x + 81 + x2 = 180 + 81 Reorder the terms: 81 + 18x + x2 = 180 + 81 Combine like terms: 180 + 81 = 261 81 + 18x + x2 = 261 Factor a perfect square on the left side: (x + 9)(x + 9) = 261 Calculate the square root of the right side: 16.155494421 Break this problem into two subproblems by setting (x + 9) equal to 16.155494421 and -16.155494421.

Subproblem 1

x + 9 = 16.155494421 Simplifying x + 9 = 16.155494421 Reorder the terms: 9 + x = 16.155494421 Solving 9 + x = 16.155494421 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 16.155494421 + -9 Combine like terms: 9 + -9 = 0 0 + x = 16.155494421 + -9 x = 16.155494421 + -9 Combine like terms: 16.155494421 + -9 = 7.155494421 x = 7.155494421 Simplifying x = 7.155494421

Subproblem 2

x + 9 = -16.155494421 Simplifying x + 9 = -16.155494421 Reorder the terms: 9 + x = -16.155494421 Solving 9 + x = -16.155494421 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -16.155494421 + -9 Combine like terms: 9 + -9 = 0 0 + x = -16.155494421 + -9 x = -16.155494421 + -9 Combine like terms: -16.155494421 + -9 = -25.155494421 x = -25.155494421 Simplifying x = -25.155494421

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.155494421, -25.155494421}

Solution

x = {7.155494421, -25.155494421}

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