x^2-29x+40=0

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Solution for x^2-29x+40=0 equation:


Simplifying
x2 + -29x + 40 = 0

Reorder the terms:
40 + -29x + x2 = 0

Solving
40 + -29x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-40' to each side of the equation.
40 + -29x + -40 + x2 = 0 + -40

Reorder the terms:
40 + -40 + -29x + x2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -29x + x2 = 0 + -40
-29x + x2 = 0 + -40

Combine like terms: 0 + -40 = -40
-29x + x2 = -40

The x term is -29x.  Take half its coefficient (-14.5).
Square it (210.25) and add it to both sides.

Add '210.25' to each side of the equation.
-29x + 210.25 + x2 = -40 + 210.25

Reorder the terms:
210.25 + -29x + x2 = -40 + 210.25

Combine like terms: -40 + 210.25 = 170.25
210.25 + -29x + x2 = 170.25

Factor a perfect square on the left side:
(x + -14.5)(x + -14.5) = 170.25

Calculate the square root of the right side: 13.047988351

Break this problem into two subproblems by setting 
(x + -14.5) equal to 13.047988351 and -13.047988351.

Subproblem 1

x + -14.5 = 13.047988351 Simplifying x + -14.5 = 13.047988351 Reorder the terms: -14.5 + x = 13.047988351 Solving -14.5 + x = 13.047988351 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = 13.047988351 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = 13.047988351 + 14.5 x = 13.047988351 + 14.5 Combine like terms: 13.047988351 + 14.5 = 27.547988351 x = 27.547988351 Simplifying x = 27.547988351

Subproblem 2

x + -14.5 = -13.047988351 Simplifying x + -14.5 = -13.047988351 Reorder the terms: -14.5 + x = -13.047988351 Solving -14.5 + x = -13.047988351 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = -13.047988351 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = -13.047988351 + 14.5 x = -13.047988351 + 14.5 Combine like terms: -13.047988351 + 14.5 = 1.452011649 x = 1.452011649 Simplifying x = 1.452011649

Solution

The solution to the problem is based on the solutions from the subproblems. x = {27.547988351, 1.452011649}

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