-0.0625x^2+2x-10=0

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Solution for -0.0625x^2+2x-10=0 equation:


Simplifying
-0.0625x2 + 2x + -10 = 0

Reorder the terms:
-10 + 2x + -0.0625x2 = 0

Solving
-10 + 2x + -0.0625x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.0625 the coefficient of the squared term: 

Divide each side by '-0.0625'.
160 + -32x + x2 = 0

Move the constant term to the right:

Add '-160' to each side of the equation.
160 + -32x + -160 + x2 = 0 + -160

Reorder the terms:
160 + -160 + -32x + x2 = 0 + -160

Combine like terms: 160 + -160 = 0
0 + -32x + x2 = 0 + -160
-32x + x2 = 0 + -160

Combine like terms: 0 + -160 = -160
-32x + x2 = -160

The x term is -32x.  Take half its coefficient (-16).
Square it (256) and add it to both sides.

Add '256' to each side of the equation.
-32x + 256 + x2 = -160 + 256

Reorder the terms:
256 + -32x + x2 = -160 + 256

Combine like terms: -160 + 256 = 96
256 + -32x + x2 = 96

Factor a perfect square on the left side:
(x + -16)(x + -16) = 96

Calculate the square root of the right side: 9.797958971

Break this problem into two subproblems by setting 
(x + -16) equal to 9.797958971 and -9.797958971.

Subproblem 1

x + -16 = 9.797958971 Simplifying x + -16 = 9.797958971 Reorder the terms: -16 + x = 9.797958971 Solving -16 + x = 9.797958971 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + x = 9.797958971 + 16 Combine like terms: -16 + 16 = 0 0 + x = 9.797958971 + 16 x = 9.797958971 + 16 Combine like terms: 9.797958971 + 16 = 25.797958971 x = 25.797958971 Simplifying x = 25.797958971

Subproblem 2

x + -16 = -9.797958971 Simplifying x + -16 = -9.797958971 Reorder the terms: -16 + x = -9.797958971 Solving -16 + x = -9.797958971 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + x = -9.797958971 + 16 Combine like terms: -16 + 16 = 0 0 + x = -9.797958971 + 16 x = -9.797958971 + 16 Combine like terms: -9.797958971 + 16 = 6.202041029 x = 6.202041029 Simplifying x = 6.202041029

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.797958971, 6.202041029}

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