36x^2+24x-15=0

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Solution for 36x^2+24x-15=0 equation:


Simplifying
36x2 + 24x + -15 = 0

Reorder the terms:
-15 + 24x + 36x2 = 0

Solving
-15 + 24x + 36x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-5 + 8x + 12x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-5 + 8x + 12x2)' equal to zero and attempt to solve: Simplifying -5 + 8x + 12x2 = 0 Solving -5 + 8x + 12x2 = 0 Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. -0.4166666667 + 0.6666666667x + x2 = 0 Move the constant term to the right: Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.6666666667x + 0.4166666667 + x2 = 0 + 0.4166666667 Reorder the terms: -0.4166666667 + 0.4166666667 + 0.6666666667x + x2 = 0 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + 0.6666666667x + x2 = 0 + 0.4166666667 0.6666666667x + x2 = 0 + 0.4166666667 Combine like terms: 0 + 0.4166666667 = 0.4166666667 0.6666666667x + x2 = 0.4166666667 The x term is 0.6666666667x. Take half its coefficient (0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. 0.6666666667x + 0.1111111112 + x2 = 0.4166666667 + 0.1111111112 Reorder the terms: 0.1111111112 + 0.6666666667x + x2 = 0.4166666667 + 0.1111111112 Combine like terms: 0.4166666667 + 0.1111111112 = 0.5277777779 0.1111111112 + 0.6666666667x + x2 = 0.5277777779 Factor a perfect square on the left side: (x + 0.3333333334)(x + 0.3333333334) = 0.5277777779 Calculate the square root of the right side: 0.726483157 Break this problem into two subproblems by setting (x + 0.3333333334) equal to 0.726483157 and -0.726483157.

Subproblem 1

x + 0.3333333334 = 0.726483157 Simplifying x + 0.3333333334 = 0.726483157 Reorder the terms: 0.3333333334 + x = 0.726483157 Solving 0.3333333334 + x = 0.726483157 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + x = 0.726483157 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + x = 0.726483157 + -0.3333333334 x = 0.726483157 + -0.3333333334 Combine like terms: 0.726483157 + -0.3333333334 = 0.3931498236 x = 0.3931498236 Simplifying x = 0.3931498236

Subproblem 2

x + 0.3333333334 = -0.726483157 Simplifying x + 0.3333333334 = -0.726483157 Reorder the terms: 0.3333333334 + x = -0.726483157 Solving 0.3333333334 + x = -0.726483157 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + x = -0.726483157 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + x = -0.726483157 + -0.3333333334 x = -0.726483157 + -0.3333333334 Combine like terms: -0.726483157 + -0.3333333334 = -1.0598164904 x = -1.0598164904 Simplifying x = -1.0598164904

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.3931498236, -1.0598164904}

Solution

x = {0.3931498236, -1.0598164904}

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