-16x^2+65x-50=0

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Solution for -16x^2+65x-50=0 equation:


Simplifying
-16x2 + 65x + -50 = 0

Reorder the terms:
-50 + 65x + -16x2 = 0

Solving
-50 + 65x + -16x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
3.125 + -4.0625x + x2 = 0

Move the constant term to the right:

Add '-3.125' to each side of the equation.
3.125 + -4.0625x + -3.125 + x2 = 0 + -3.125

Reorder the terms:
3.125 + -3.125 + -4.0625x + x2 = 0 + -3.125

Combine like terms: 3.125 + -3.125 = 0.000
0.000 + -4.0625x + x2 = 0 + -3.125
-4.0625x + x2 = 0 + -3.125

Combine like terms: 0 + -3.125 = -3.125
-4.0625x + x2 = -3.125

The x term is -4.0625x.  Take half its coefficient (-2.03125).
Square it (4.125976563) and add it to both sides.

Add '4.125976563' to each side of the equation.
-4.0625x + 4.125976563 + x2 = -3.125 + 4.125976563

Reorder the terms:
4.125976563 + -4.0625x + x2 = -3.125 + 4.125976563

Combine like terms: -3.125 + 4.125976563 = 1.000976563
4.125976563 + -4.0625x + x2 = 1.000976563

Factor a perfect square on the left side:
(x + -2.03125)(x + -2.03125) = 1.000976563

Calculate the square root of the right side: 1.000488162

Break this problem into two subproblems by setting 
(x + -2.03125) equal to 1.000488162 and -1.000488162.

Subproblem 1

x + -2.03125 = 1.000488162 Simplifying x + -2.03125 = 1.000488162 Reorder the terms: -2.03125 + x = 1.000488162 Solving -2.03125 + x = 1.000488162 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.03125' to each side of the equation. -2.03125 + 2.03125 + x = 1.000488162 + 2.03125 Combine like terms: -2.03125 + 2.03125 = 0.00000 0.00000 + x = 1.000488162 + 2.03125 x = 1.000488162 + 2.03125 Combine like terms: 1.000488162 + 2.03125 = 3.031738162 x = 3.031738162 Simplifying x = 3.031738162

Subproblem 2

x + -2.03125 = -1.000488162 Simplifying x + -2.03125 = -1.000488162 Reorder the terms: -2.03125 + x = -1.000488162 Solving -2.03125 + x = -1.000488162 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.03125' to each side of the equation. -2.03125 + 2.03125 + x = -1.000488162 + 2.03125 Combine like terms: -2.03125 + 2.03125 = 0.00000 0.00000 + x = -1.000488162 + 2.03125 x = -1.000488162 + 2.03125 Combine like terms: -1.000488162 + 2.03125 = 1.030761838 x = 1.030761838 Simplifying x = 1.030761838

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.031738162, 1.030761838}

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