4x^2-112x+381=0

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Solution for 4x^2-112x+381=0 equation:


Simplifying
4x2 + -112x + 381 = 0

Reorder the terms:
381 + -112x + 4x2 = 0

Solving
381 + -112x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
95.25 + -28x + x2 = 0

Move the constant term to the right:

Add '-95.25' to each side of the equation.
95.25 + -28x + -95.25 + x2 = 0 + -95.25

Reorder the terms:
95.25 + -95.25 + -28x + x2 = 0 + -95.25

Combine like terms: 95.25 + -95.25 = 0.00
0.00 + -28x + x2 = 0 + -95.25
-28x + x2 = 0 + -95.25

Combine like terms: 0 + -95.25 = -95.25
-28x + x2 = -95.25

The x term is -28x.  Take half its coefficient (-14).
Square it (196) and add it to both sides.

Add '196' to each side of the equation.
-28x + 196 + x2 = -95.25 + 196

Reorder the terms:
196 + -28x + x2 = -95.25 + 196

Combine like terms: -95.25 + 196 = 100.75
196 + -28x + x2 = 100.75

Factor a perfect square on the left side:
(x + -14)(x + -14) = 100.75

Calculate the square root of the right side: 10.03742995

Break this problem into two subproblems by setting 
(x + -14) equal to 10.03742995 and -10.03742995.

Subproblem 1

x + -14 = 10.03742995 Simplifying x + -14 = 10.03742995 Reorder the terms: -14 + x = 10.03742995 Solving -14 + x = 10.03742995 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = 10.03742995 + 14 Combine like terms: -14 + 14 = 0 0 + x = 10.03742995 + 14 x = 10.03742995 + 14 Combine like terms: 10.03742995 + 14 = 24.03742995 x = 24.03742995 Simplifying x = 24.03742995

Subproblem 2

x + -14 = -10.03742995 Simplifying x + -14 = -10.03742995 Reorder the terms: -14 + x = -10.03742995 Solving -14 + x = -10.03742995 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = -10.03742995 + 14 Combine like terms: -14 + 14 = 0 0 + x = -10.03742995 + 14 x = -10.03742995 + 14 Combine like terms: -10.03742995 + 14 = 3.96257005 x = 3.96257005 Simplifying x = 3.96257005

Solution

The solution to the problem is based on the solutions from the subproblems. x = {24.03742995, 3.96257005}

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