10=-18.4x^2+24x+3

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Solution for 10=-18.4x^2+24x+3 equation:


Simplifying
10 = -18.4x2 + 24x + 3

Reorder the terms:
10 = 3 + 24x + -18.4x2

Solving
10 = 3 + 24x + -18.4x2

Solving for variable 'x'.

Combine like terms: 10 + -3 = 7
7 + -24x + 18.4x2 = 3 + 24x + -18.4x2 + -3 + -24x + 18.4x2

Reorder the terms:
7 + -24x + 18.4x2 = 3 + -3 + 24x + -24x + -18.4x2 + 18.4x2

Combine like terms: 3 + -3 = 0
7 + -24x + 18.4x2 = 0 + 24x + -24x + -18.4x2 + 18.4x2
7 + -24x + 18.4x2 = 24x + -24x + -18.4x2 + 18.4x2

Combine like terms: 24x + -24x = 0
7 + -24x + 18.4x2 = 0 + -18.4x2 + 18.4x2
7 + -24x + 18.4x2 = -18.4x2 + 18.4x2

Combine like terms: -18.4x2 + 18.4x2 = 0.0
7 + -24x + 18.4x2 = 0.0

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

Divide each side by '18.4'.
0.3804347826 + -1.304347826x + x2 = 0

Move the constant term to the right:

Add '-0.3804347826' to each side of the equation.
0.3804347826 + -1.304347826x + -0.3804347826 + x2 = 0 + -0.3804347826

Reorder the terms:
0.3804347826 + -0.3804347826 + -1.304347826x + x2 = 0 + -0.3804347826

Combine like terms: 0.3804347826 + -0.3804347826 = 0.0000000000
0.0000000000 + -1.304347826x + x2 = 0 + -0.3804347826
-1.304347826x + x2 = 0 + -0.3804347826

Combine like terms: 0 + -0.3804347826 = -0.3804347826
-1.304347826x + x2 = -0.3804347826

The x term is -1.304347826x.  Take half its coefficient (-0.652173913).
Square it (0.4253308128) and add it to both sides.

Add '0.4253308128' to each side of the equation.
-1.304347826x + 0.4253308128 + x2 = -0.3804347826 + 0.4253308128

Reorder the terms:
0.4253308128 + -1.304347826x + x2 = -0.3804347826 + 0.4253308128

Combine like terms: -0.3804347826 + 0.4253308128 = 0.0448960302
0.4253308128 + -1.304347826x + x2 = 0.0448960302

Factor a perfect square on the left side:
(x + -0.652173913)(x + -0.652173913) = 0.0448960302

Calculate the square root of the right side: 0.211886833

Break this problem into two subproblems by setting 
(x + -0.652173913) equal to 0.211886833 and -0.211886833.

Subproblem 1

x + -0.652173913 = 0.211886833 Simplifying x + -0.652173913 = 0.211886833 Reorder the terms: -0.652173913 + x = 0.211886833 Solving -0.652173913 + x = 0.211886833 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.652173913' to each side of the equation. -0.652173913 + 0.652173913 + x = 0.211886833 + 0.652173913 Combine like terms: -0.652173913 + 0.652173913 = 0.000000000 0.000000000 + x = 0.211886833 + 0.652173913 x = 0.211886833 + 0.652173913 Combine like terms: 0.211886833 + 0.652173913 = 0.864060746 x = 0.864060746 Simplifying x = 0.864060746

Subproblem 2

x + -0.652173913 = -0.211886833 Simplifying x + -0.652173913 = -0.211886833 Reorder the terms: -0.652173913 + x = -0.211886833 Solving -0.652173913 + x = -0.211886833 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.652173913' to each side of the equation. -0.652173913 + 0.652173913 + x = -0.211886833 + 0.652173913 Combine like terms: -0.652173913 + 0.652173913 = 0.000000000 0.000000000 + x = -0.211886833 + 0.652173913 x = -0.211886833 + 0.652173913 Combine like terms: -0.211886833 + 0.652173913 = 0.44028708 x = 0.44028708 Simplifying x = 0.44028708

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.864060746, 0.44028708}

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