4x^2-11x+3=5x+4

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Solution for 4x^2-11x+3=5x+4 equation:


Simplifying
4x2 + -11x + 3 = 5x + 4

Reorder the terms:
3 + -11x + 4x2 = 5x + 4

Reorder the terms:
3 + -11x + 4x2 = 4 + 5x

Solving
3 + -11x + 4x2 = 4 + 5x

Solving for variable 'x'.

Reorder the terms:
3 + -4 + -11x + -5x + 4x2 = 4 + 5x + -4 + -5x

Combine like terms: 3 + -4 = -1
-1 + -11x + -5x + 4x2 = 4 + 5x + -4 + -5x

Combine like terms: -11x + -5x = -16x
-1 + -16x + 4x2 = 4 + 5x + -4 + -5x

Reorder the terms:
-1 + -16x + 4x2 = 4 + -4 + 5x + -5x

Combine like terms: 4 + -4 = 0
-1 + -16x + 4x2 = 0 + 5x + -5x
-1 + -16x + 4x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-1 + -16x + 4x2 = 0

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

Divide each side by '4'.
-0.25 + -4x + x2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + -4x + 0.25 + x2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + -4x + x2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + -4x + x2 = 0 + 0.25
-4x + x2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
-4x + x2 = 0.25

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 0.25 + 4

Reorder the terms:
4 + -4x + x2 = 0.25 + 4

Combine like terms: 0.25 + 4 = 4.25
4 + -4x + x2 = 4.25

Factor a perfect square on the left side:
(x + -2)(x + -2) = 4.25

Calculate the square root of the right side: 2.061552813

Break this problem into two subproblems by setting 
(x + -2) equal to 2.061552813 and -2.061552813.

Subproblem 1

x + -2 = 2.061552813 Simplifying x + -2 = 2.061552813 Reorder the terms: -2 + x = 2.061552813 Solving -2 + x = 2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 2.061552813 + 2 Combine like terms: -2 + 2 = 0 0 + x = 2.061552813 + 2 x = 2.061552813 + 2 Combine like terms: 2.061552813 + 2 = 4.061552813 x = 4.061552813 Simplifying x = 4.061552813

Subproblem 2

x + -2 = -2.061552813 Simplifying x + -2 = -2.061552813 Reorder the terms: -2 + x = -2.061552813 Solving -2 + x = -2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -2.061552813 + 2 Combine like terms: -2 + 2 = 0 0 + x = -2.061552813 + 2 x = -2.061552813 + 2 Combine like terms: -2.061552813 + 2 = -0.061552813 x = -0.061552813 Simplifying x = -0.061552813

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.061552813, -0.061552813}

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