-0.5x^2+33.528x-100=

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Solution for -0.5x^2+33.528x-100= equation:


Simplifying
-0.5x2 + 33.528x + -100 = 0

Reorder the terms:
-100 + 33.528x + -0.5x2 = 0

Solving
-100 + 33.528x + -0.5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.5 the coefficient of the squared term: 

Divide each side by '-0.5'.
200 + -67.056x + x2 = 0

Move the constant term to the right:

Add '-200' to each side of the equation.
200 + -67.056x + -200 + x2 = 0 + -200

Reorder the terms:
200 + -200 + -67.056x + x2 = 0 + -200

Combine like terms: 200 + -200 = 0
0 + -67.056x + x2 = 0 + -200
-67.056x + x2 = 0 + -200

Combine like terms: 0 + -200 = -200
-67.056x + x2 = -200

The x term is -67.056x.  Take half its coefficient (-33.528).
Square it (1124.126784) and add it to both sides.

Add '1124.126784' to each side of the equation.
-67.056x + 1124.126784 + x2 = -200 + 1124.126784

Reorder the terms:
1124.126784 + -67.056x + x2 = -200 + 1124.126784

Combine like terms: -200 + 1124.126784 = 924.126784
1124.126784 + -67.056x + x2 = 924.126784

Factor a perfect square on the left side:
(x + -33.528)(x + -33.528) = 924.126784

Calculate the square root of the right side: 30.399453679

Break this problem into two subproblems by setting 
(x + -33.528) equal to 30.399453679 and -30.399453679.

Subproblem 1

x + -33.528 = 30.399453679 Simplifying x + -33.528 = 30.399453679 Reorder the terms: -33.528 + x = 30.399453679 Solving -33.528 + x = 30.399453679 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '33.528' to each side of the equation. -33.528 + 33.528 + x = 30.399453679 + 33.528 Combine like terms: -33.528 + 33.528 = 0.000 0.000 + x = 30.399453679 + 33.528 x = 30.399453679 + 33.528 Combine like terms: 30.399453679 + 33.528 = 63.927453679 x = 63.927453679 Simplifying x = 63.927453679

Subproblem 2

x + -33.528 = -30.399453679 Simplifying x + -33.528 = -30.399453679 Reorder the terms: -33.528 + x = -30.399453679 Solving -33.528 + x = -30.399453679 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '33.528' to each side of the equation. -33.528 + 33.528 + x = -30.399453679 + 33.528 Combine like terms: -33.528 + 33.528 = 0.000 0.000 + x = -30.399453679 + 33.528 x = -30.399453679 + 33.528 Combine like terms: -30.399453679 + 33.528 = 3.128546321 x = 3.128546321 Simplifying x = 3.128546321

Solution

The solution to the problem is based on the solutions from the subproblems. x = {63.927453679, 3.128546321}

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