3.14x^2-x-34(3.14)=0

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Solution for 3.14x^2-x-34(3.14)=0 equation:


Simplifying
3.14x2 + -1x + -34(3.14) = 0

Multiply -34 * 3.14
3.14x2 + -1x + -106.76 = 0

Reorder the terms:
-106.76 + -1x + 3.14x2 = 0

Solving
-106.76 + -1x + 3.14x2 = 0

Solving for variable 'x'.

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

Divide each side by '3.14'.
-34 + -0.3184713376x + x2 = 0

Move the constant term to the right:

Add '34' to each side of the equation.
-34 + -0.3184713376x + 34 + x2 = 0 + 34

Reorder the terms:
-34 + 34 + -0.3184713376x + x2 = 0 + 34

Combine like terms: -34 + 34 = 0
0 + -0.3184713376x + x2 = 0 + 34
-0.3184713376x + x2 = 0 + 34

Combine like terms: 0 + 34 = 34
-0.3184713376x + x2 = 34

The x term is -0.3184713376x.  Take half its coefficient (-0.1592356688).
Square it (0.02535599822) and add it to both sides.

Add '0.02535599822' to each side of the equation.
-0.3184713376x + 0.02535599822 + x2 = 34 + 0.02535599822

Reorder the terms:
0.02535599822 + -0.3184713376x + x2 = 34 + 0.02535599822

Combine like terms: 34 + 0.02535599822 = 34.02535599822
0.02535599822 + -0.3184713376x + x2 = 34.02535599822

Factor a perfect square on the left side:
(x + -0.1592356688)(x + -0.1592356688) = 34.02535599822

Calculate the square root of the right side: 5.833125749

Break this problem into two subproblems by setting 
(x + -0.1592356688) equal to 5.833125749 and -5.833125749.

Subproblem 1

x + -0.1592356688 = 5.833125749 Simplifying x + -0.1592356688 = 5.833125749 Reorder the terms: -0.1592356688 + x = 5.833125749 Solving -0.1592356688 + x = 5.833125749 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1592356688' to each side of the equation. -0.1592356688 + 0.1592356688 + x = 5.833125749 + 0.1592356688 Combine like terms: -0.1592356688 + 0.1592356688 = 0.0000000000 0.0000000000 + x = 5.833125749 + 0.1592356688 x = 5.833125749 + 0.1592356688 Combine like terms: 5.833125749 + 0.1592356688 = 5.9923614178 x = 5.9923614178 Simplifying x = 5.9923614178

Subproblem 2

x + -0.1592356688 = -5.833125749 Simplifying x + -0.1592356688 = -5.833125749 Reorder the terms: -0.1592356688 + x = -5.833125749 Solving -0.1592356688 + x = -5.833125749 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1592356688' to each side of the equation. -0.1592356688 + 0.1592356688 + x = -5.833125749 + 0.1592356688 Combine like terms: -0.1592356688 + 0.1592356688 = 0.0000000000 0.0000000000 + x = -5.833125749 + 0.1592356688 x = -5.833125749 + 0.1592356688 Combine like terms: -5.833125749 + 0.1592356688 = -5.6738900802 x = -5.6738900802 Simplifying x = -5.6738900802

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.9923614178, -5.6738900802}

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