10x^2+x-32=0

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Solution for 10x^2+x-32=0 equation:


Simplifying
10x2 + x + -32 = 0

Reorder the terms:
-32 + x + 10x2 = 0

Solving
-32 + x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
-3.2 + 0.1x + x2 = 0

Move the constant term to the right:

Add '3.2' to each side of the equation.
-3.2 + 0.1x + 3.2 + x2 = 0 + 3.2

Reorder the terms:
-3.2 + 3.2 + 0.1x + x2 = 0 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
0.0 + 0.1x + x2 = 0 + 3.2
0.1x + x2 = 0 + 3.2

Combine like terms: 0 + 3.2 = 3.2
0.1x + x2 = 3.2

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.1x + 0.25 + x2 = 3.2 + 0.25

Reorder the terms:
0.25 + 0.1x + x2 = 3.2 + 0.25

Combine like terms: 3.2 + 0.25 = 3.45
0.25 + 0.1x + x2 = 3.45

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 3.45

Calculate the square root of the right side: 1.857417562

Break this problem into two subproblems by setting 
(x + 0.5) equal to 1.857417562 and -1.857417562.

Subproblem 1

x + 0.5 = 1.857417562 Simplifying x + 0.5 = 1.857417562 Reorder the terms: 0.5 + x = 1.857417562 Solving 0.5 + x = 1.857417562 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 1.857417562 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 1.857417562 + -0.5 x = 1.857417562 + -0.5 Combine like terms: 1.857417562 + -0.5 = 1.357417562 x = 1.357417562 Simplifying x = 1.357417562

Subproblem 2

x + 0.5 = -1.857417562 Simplifying x + 0.5 = -1.857417562 Reorder the terms: 0.5 + x = -1.857417562 Solving 0.5 + x = -1.857417562 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -1.857417562 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -1.857417562 + -0.5 x = -1.857417562 + -0.5 Combine like terms: -1.857417562 + -0.5 = -2.357417562 x = -2.357417562 Simplifying x = -2.357417562

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.357417562, -2.357417562}

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