4x^2-37x+76=0

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Solution for 4x^2-37x+76=0 equation:


Simplifying
4x2 + -37x + 76 = 0

Reorder the terms:
76 + -37x + 4x2 = 0

Solving
76 + -37x + 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'.
19 + -9.25x + x2 = 0

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + -9.25x + -19 + x2 = 0 + -19

Reorder the terms:
19 + -19 + -9.25x + x2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -9.25x + x2 = 0 + -19
-9.25x + x2 = 0 + -19

Combine like terms: 0 + -19 = -19
-9.25x + x2 = -19

The x term is -9.25x.  Take half its coefficient (-4.625).
Square it (21.390625) and add it to both sides.

Add '21.390625' to each side of the equation.
-9.25x + 21.390625 + x2 = -19 + 21.390625

Reorder the terms:
21.390625 + -9.25x + x2 = -19 + 21.390625

Combine like terms: -19 + 21.390625 = 2.390625
21.390625 + -9.25x + x2 = 2.390625

Factor a perfect square on the left side:
(x + -4.625)(x + -4.625) = 2.390625

Calculate the square root of the right side: 1.54616461

Break this problem into two subproblems by setting 
(x + -4.625) equal to 1.54616461 and -1.54616461.

Subproblem 1

x + -4.625 = 1.54616461 Simplifying x + -4.625 = 1.54616461 Reorder the terms: -4.625 + x = 1.54616461 Solving -4.625 + x = 1.54616461 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.625' to each side of the equation. -4.625 + 4.625 + x = 1.54616461 + 4.625 Combine like terms: -4.625 + 4.625 = 0.000 0.000 + x = 1.54616461 + 4.625 x = 1.54616461 + 4.625 Combine like terms: 1.54616461 + 4.625 = 6.17116461 x = 6.17116461 Simplifying x = 6.17116461

Subproblem 2

x + -4.625 = -1.54616461 Simplifying x + -4.625 = -1.54616461 Reorder the terms: -4.625 + x = -1.54616461 Solving -4.625 + x = -1.54616461 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.625' to each side of the equation. -4.625 + 4.625 + x = -1.54616461 + 4.625 Combine like terms: -4.625 + 4.625 = 0.000 0.000 + x = -1.54616461 + 4.625 x = -1.54616461 + 4.625 Combine like terms: -1.54616461 + 4.625 = 3.07883539 x = 3.07883539 Simplifying x = 3.07883539

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.17116461, 3.07883539}

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