5x^2+14x-29=0

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Solution for 5x^2+14x-29=0 equation:


Simplifying
5x2 + 14x + -29 = 0

Reorder the terms:
-29 + 14x + 5x2 = 0

Solving
-29 + 14x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-5.8 + 2.8x + x2 = 0

Move the constant term to the right:

Add '5.8' to each side of the equation.
-5.8 + 2.8x + 5.8 + x2 = 0 + 5.8

Reorder the terms:
-5.8 + 5.8 + 2.8x + x2 = 0 + 5.8

Combine like terms: -5.8 + 5.8 = 0.0
0.0 + 2.8x + x2 = 0 + 5.8
2.8x + x2 = 0 + 5.8

Combine like terms: 0 + 5.8 = 5.8
2.8x + x2 = 5.8

The x term is 2.8x.  Take half its coefficient (1.4).
Square it (1.96) and add it to both sides.

Add '1.96' to each side of the equation.
2.8x + 1.96 + x2 = 5.8 + 1.96

Reorder the terms:
1.96 + 2.8x + x2 = 5.8 + 1.96

Combine like terms: 5.8 + 1.96 = 7.76
1.96 + 2.8x + x2 = 7.76

Factor a perfect square on the left side:
(x + 1.4)(x + 1.4) = 7.76

Calculate the square root of the right side: 2.785677655

Break this problem into two subproblems by setting 
(x + 1.4) equal to 2.785677655 and -2.785677655.

Subproblem 1

x + 1.4 = 2.785677655 Simplifying x + 1.4 = 2.785677655 Reorder the terms: 1.4 + x = 2.785677655 Solving 1.4 + x = 2.785677655 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.4' to each side of the equation. 1.4 + -1.4 + x = 2.785677655 + -1.4 Combine like terms: 1.4 + -1.4 = 0.0 0.0 + x = 2.785677655 + -1.4 x = 2.785677655 + -1.4 Combine like terms: 2.785677655 + -1.4 = 1.385677655 x = 1.385677655 Simplifying x = 1.385677655

Subproblem 2

x + 1.4 = -2.785677655 Simplifying x + 1.4 = -2.785677655 Reorder the terms: 1.4 + x = -2.785677655 Solving 1.4 + x = -2.785677655 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.4' to each side of the equation. 1.4 + -1.4 + x = -2.785677655 + -1.4 Combine like terms: 1.4 + -1.4 = 0.0 0.0 + x = -2.785677655 + -1.4 x = -2.785677655 + -1.4 Combine like terms: -2.785677655 + -1.4 = -4.185677655 x = -4.185677655 Simplifying x = -4.185677655

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.385677655, -4.185677655}

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