5x^2-29x+18=0

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Solution for 5x^2-29x+18=0 equation:


Simplifying
5x2 + -29x + 18 = 0

Reorder the terms:
18 + -29x + 5x2 = 0

Solving
18 + -29x + 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'.
3.6 + -5.8x + x2 = 0

Move the constant term to the right:

Add '-3.6' to each side of the equation.
3.6 + -5.8x + -3.6 + x2 = 0 + -3.6

Reorder the terms:
3.6 + -3.6 + -5.8x + x2 = 0 + -3.6

Combine like terms: 3.6 + -3.6 = 0.0
0.0 + -5.8x + x2 = 0 + -3.6
-5.8x + x2 = 0 + -3.6

Combine like terms: 0 + -3.6 = -3.6
-5.8x + x2 = -3.6

The x term is -5.8x.  Take half its coefficient (-2.9).
Square it (8.41) and add it to both sides.

Add '8.41' to each side of the equation.
-5.8x + 8.41 + x2 = -3.6 + 8.41

Reorder the terms:
8.41 + -5.8x + x2 = -3.6 + 8.41

Combine like terms: -3.6 + 8.41 = 4.81
8.41 + -5.8x + x2 = 4.81

Factor a perfect square on the left side:
(x + -2.9)(x + -2.9) = 4.81

Calculate the square root of the right side: 2.19317122

Break this problem into two subproblems by setting 
(x + -2.9) equal to 2.19317122 and -2.19317122.

Subproblem 1

x + -2.9 = 2.19317122 Simplifying x + -2.9 = 2.19317122 Reorder the terms: -2.9 + x = 2.19317122 Solving -2.9 + x = 2.19317122 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.9' to each side of the equation. -2.9 + 2.9 + x = 2.19317122 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + x = 2.19317122 + 2.9 x = 2.19317122 + 2.9 Combine like terms: 2.19317122 + 2.9 = 5.09317122 x = 5.09317122 Simplifying x = 5.09317122

Subproblem 2

x + -2.9 = -2.19317122 Simplifying x + -2.9 = -2.19317122 Reorder the terms: -2.9 + x = -2.19317122 Solving -2.9 + x = -2.19317122 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.9' to each side of the equation. -2.9 + 2.9 + x = -2.19317122 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + x = -2.19317122 + 2.9 x = -2.19317122 + 2.9 Combine like terms: -2.19317122 + 2.9 = 0.70682878 x = 0.70682878 Simplifying x = 0.70682878

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.09317122, 0.70682878}

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