5x^2-12x-29=5

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Solution for 5x^2-12x-29=5 equation:


Simplifying
5x2 + -12x + -29 = 5

Reorder the terms:
-29 + -12x + 5x2 = 5

Solving
-29 + -12x + 5x2 = 5

Solving for variable 'x'.

Reorder the terms:
-29 + -5 + -12x + 5x2 = 5 + -5

Combine like terms: -29 + -5 = -34
-34 + -12x + 5x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-34 + -12x + 5x2 = 0

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

Divide each side by '5'.
-6.8 + -2.4x + x2 = 0

Move the constant term to the right:

Add '6.8' to each side of the equation.
-6.8 + -2.4x + 6.8 + x2 = 0 + 6.8

Reorder the terms:
-6.8 + 6.8 + -2.4x + x2 = 0 + 6.8

Combine like terms: -6.8 + 6.8 = 0.0
0.0 + -2.4x + x2 = 0 + 6.8
-2.4x + x2 = 0 + 6.8

Combine like terms: 0 + 6.8 = 6.8
-2.4x + x2 = 6.8

The x term is -2.4x.  Take half its coefficient (-1.2).
Square it (1.44) and add it to both sides.

Add '1.44' to each side of the equation.
-2.4x + 1.44 + x2 = 6.8 + 1.44

Reorder the terms:
1.44 + -2.4x + x2 = 6.8 + 1.44

Combine like terms: 6.8 + 1.44 = 8.24
1.44 + -2.4x + x2 = 8.24

Factor a perfect square on the left side:
(x + -1.2)(x + -1.2) = 8.24

Calculate the square root of the right side: 2.870540019

Break this problem into two subproblems by setting 
(x + -1.2) equal to 2.870540019 and -2.870540019.

Subproblem 1

x + -1.2 = 2.870540019 Simplifying x + -1.2 = 2.870540019 Reorder the terms: -1.2 + x = 2.870540019 Solving -1.2 + x = 2.870540019 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.2' to each side of the equation. -1.2 + 1.2 + x = 2.870540019 + 1.2 Combine like terms: -1.2 + 1.2 = 0.0 0.0 + x = 2.870540019 + 1.2 x = 2.870540019 + 1.2 Combine like terms: 2.870540019 + 1.2 = 4.070540019 x = 4.070540019 Simplifying x = 4.070540019

Subproblem 2

x + -1.2 = -2.870540019 Simplifying x + -1.2 = -2.870540019 Reorder the terms: -1.2 + x = -2.870540019 Solving -1.2 + x = -2.870540019 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.2' to each side of the equation. -1.2 + 1.2 + x = -2.870540019 + 1.2 Combine like terms: -1.2 + 1.2 = 0.0 0.0 + x = -2.870540019 + 1.2 x = -2.870540019 + 1.2 Combine like terms: -2.870540019 + 1.2 = -1.670540019 x = -1.670540019 Simplifying x = -1.670540019

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.070540019, -1.670540019}

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