-9x^2-5x+24=0

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Solution for -9x^2-5x+24=0 equation:


Simplifying
-9x2 + -5x + 24 = 0

Reorder the terms:
24 + -5x + -9x2 = 0

Solving
24 + -5x + -9x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
-2.666666667 + 0.5555555556x + x2 = 0

Move the constant term to the right:

Add '2.666666667' to each side of the equation.
-2.666666667 + 0.5555555556x + 2.666666667 + x2 = 0 + 2.666666667

Reorder the terms:
-2.666666667 + 2.666666667 + 0.5555555556x + x2 = 0 + 2.666666667

Combine like terms: -2.666666667 + 2.666666667 = 0.000000000
0.000000000 + 0.5555555556x + x2 = 0 + 2.666666667
0.5555555556x + x2 = 0 + 2.666666667

Combine like terms: 0 + 2.666666667 = 2.666666667
0.5555555556x + x2 = 2.666666667

The x term is 0.5555555556x.  Take half its coefficient (0.2777777778).
Square it (0.07716049384) and add it to both sides.

Add '0.07716049384' to each side of the equation.
0.5555555556x + 0.07716049384 + x2 = 2.666666667 + 0.07716049384

Reorder the terms:
0.07716049384 + 0.5555555556x + x2 = 2.666666667 + 0.07716049384

Combine like terms: 2.666666667 + 0.07716049384 = 2.74382716084
0.07716049384 + 0.5555555556x + x2 = 2.74382716084

Factor a perfect square on the left side:
(x + 0.2777777778)(x + 0.2777777778) = 2.74382716084

Calculate the square root of the right side: 1.656450169

Break this problem into two subproblems by setting 
(x + 0.2777777778) equal to 1.656450169 and -1.656450169.

Subproblem 1

x + 0.2777777778 = 1.656450169 Simplifying x + 0.2777777778 = 1.656450169 Reorder the terms: 0.2777777778 + x = 1.656450169 Solving 0.2777777778 + x = 1.656450169 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2777777778' to each side of the equation. 0.2777777778 + -0.2777777778 + x = 1.656450169 + -0.2777777778 Combine like terms: 0.2777777778 + -0.2777777778 = 0.0000000000 0.0000000000 + x = 1.656450169 + -0.2777777778 x = 1.656450169 + -0.2777777778 Combine like terms: 1.656450169 + -0.2777777778 = 1.3786723912 x = 1.3786723912 Simplifying x = 1.3786723912

Subproblem 2

x + 0.2777777778 = -1.656450169 Simplifying x + 0.2777777778 = -1.656450169 Reorder the terms: 0.2777777778 + x = -1.656450169 Solving 0.2777777778 + x = -1.656450169 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2777777778' to each side of the equation. 0.2777777778 + -0.2777777778 + x = -1.656450169 + -0.2777777778 Combine like terms: 0.2777777778 + -0.2777777778 = 0.0000000000 0.0000000000 + x = -1.656450169 + -0.2777777778 x = -1.656450169 + -0.2777777778 Combine like terms: -1.656450169 + -0.2777777778 = -1.9342279468 x = -1.9342279468 Simplifying x = -1.9342279468

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.3786723912, -1.9342279468}

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