-9x^2-144x+540=0

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Solution for -9x^2-144x+540=0 equation:


Simplifying
-9x2 + -144x + 540 = 0

Reorder the terms:
540 + -144x + -9x2 = 0

Solving
540 + -144x + -9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9'.
9(60 + -16x + -1x2) = 0

Ignore the factor 9.

Subproblem 1

Set the factor '(60 + -16x + -1x2)' equal to zero and attempt to solve: Simplifying 60 + -16x + -1x2 = 0 Solving 60 + -16x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -60 + 16x + x2 = 0 Move the constant term to the right: Add '60' to each side of the equation. -60 + 16x + 60 + x2 = 0 + 60 Reorder the terms: -60 + 60 + 16x + x2 = 0 + 60 Combine like terms: -60 + 60 = 0 0 + 16x + x2 = 0 + 60 16x + x2 = 0 + 60 Combine like terms: 0 + 60 = 60 16x + x2 = 60 The x term is 16x. Take half its coefficient (8). Square it (64) and add it to both sides. Add '64' to each side of the equation. 16x + 64 + x2 = 60 + 64 Reorder the terms: 64 + 16x + x2 = 60 + 64 Combine like terms: 60 + 64 = 124 64 + 16x + x2 = 124 Factor a perfect square on the left side: (x + 8)(x + 8) = 124 Calculate the square root of the right side: 11.135528726 Break this problem into two subproblems by setting (x + 8) equal to 11.135528726 and -11.135528726.

Subproblem 1

x + 8 = 11.135528726 Simplifying x + 8 = 11.135528726 Reorder the terms: 8 + x = 11.135528726 Solving 8 + x = 11.135528726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 11.135528726 + -8 Combine like terms: 8 + -8 = 0 0 + x = 11.135528726 + -8 x = 11.135528726 + -8 Combine like terms: 11.135528726 + -8 = 3.135528726 x = 3.135528726 Simplifying x = 3.135528726

Subproblem 2

x + 8 = -11.135528726 Simplifying x + 8 = -11.135528726 Reorder the terms: 8 + x = -11.135528726 Solving 8 + x = -11.135528726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = -11.135528726 + -8 Combine like terms: 8 + -8 = 0 0 + x = -11.135528726 + -8 x = -11.135528726 + -8 Combine like terms: -11.135528726 + -8 = -19.135528726 x = -19.135528726 Simplifying x = -19.135528726

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.135528726, -19.135528726}

Solution

x = {3.135528726, -19.135528726}

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