x^2+14.6x-64=0

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Solution for x^2+14.6x-64=0 equation:


Simplifying
x2 + 14.6x + -64 = 0

Reorder the terms:
-64 + 14.6x + x2 = 0

Solving
-64 + 14.6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '64' to each side of the equation.
-64 + 14.6x + 64 + x2 = 0 + 64

Reorder the terms:
-64 + 64 + 14.6x + x2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 14.6x + x2 = 0 + 64
14.6x + x2 = 0 + 64

Combine like terms: 0 + 64 = 64
14.6x + x2 = 64

The x term is 14.6x.  Take half its coefficient (7.3).
Square it (53.29) and add it to both sides.

Add '53.29' to each side of the equation.
14.6x + 53.29 + x2 = 64 + 53.29

Reorder the terms:
53.29 + 14.6x + x2 = 64 + 53.29

Combine like terms: 64 + 53.29 = 117.29
53.29 + 14.6x + x2 = 117.29

Factor a perfect square on the left side:
(x + 7.3)(x + 7.3) = 117.29

Calculate the square root of the right side: 10.830050785

Break this problem into two subproblems by setting 
(x + 7.3) equal to 10.830050785 and -10.830050785.

Subproblem 1

x + 7.3 = 10.830050785 Simplifying x + 7.3 = 10.830050785 Reorder the terms: 7.3 + x = 10.830050785 Solving 7.3 + x = 10.830050785 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.3' to each side of the equation. 7.3 + -7.3 + x = 10.830050785 + -7.3 Combine like terms: 7.3 + -7.3 = 0.0 0.0 + x = 10.830050785 + -7.3 x = 10.830050785 + -7.3 Combine like terms: 10.830050785 + -7.3 = 3.530050785 x = 3.530050785 Simplifying x = 3.530050785

Subproblem 2

x + 7.3 = -10.830050785 Simplifying x + 7.3 = -10.830050785 Reorder the terms: 7.3 + x = -10.830050785 Solving 7.3 + x = -10.830050785 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.3' to each side of the equation. 7.3 + -7.3 + x = -10.830050785 + -7.3 Combine like terms: 7.3 + -7.3 = 0.0 0.0 + x = -10.830050785 + -7.3 x = -10.830050785 + -7.3 Combine like terms: -10.830050785 + -7.3 = -18.130050785 x = -18.130050785 Simplifying x = -18.130050785

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.530050785, -18.130050785}

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