x^2-3x+4=50

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Solution for x^2-3x+4=50 equation:


Simplifying
x2 + -3x + 4 = 50

Reorder the terms:
4 + -3x + x2 = 50

Solving
4 + -3x + x2 = 50

Solving for variable 'x'.

Reorder the terms:
4 + -50 + -3x + x2 = 50 + -50

Combine like terms: 4 + -50 = -46
-46 + -3x + x2 = 50 + -50

Combine like terms: 50 + -50 = 0
-46 + -3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '46' to each side of the equation.
-46 + -3x + 46 + x2 = 0 + 46

Reorder the terms:
-46 + 46 + -3x + x2 = 0 + 46

Combine like terms: -46 + 46 = 0
0 + -3x + x2 = 0 + 46
-3x + x2 = 0 + 46

Combine like terms: 0 + 46 = 46
-3x + x2 = 46

The x term is -3x.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3x + 2.25 + x2 = 46 + 2.25

Reorder the terms:
2.25 + -3x + x2 = 46 + 2.25

Combine like terms: 46 + 2.25 = 48.25
2.25 + -3x + x2 = 48.25

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = 48.25

Calculate the square root of the right side: 6.946221995

Break this problem into two subproblems by setting 
(x + -1.5) equal to 6.946221995 and -6.946221995.

Subproblem 1

x + -1.5 = 6.946221995 Simplifying x + -1.5 = 6.946221995 Reorder the terms: -1.5 + x = 6.946221995 Solving -1.5 + x = 6.946221995 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 6.946221995 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 6.946221995 + 1.5 x = 6.946221995 + 1.5 Combine like terms: 6.946221995 + 1.5 = 8.446221995 x = 8.446221995 Simplifying x = 8.446221995

Subproblem 2

x + -1.5 = -6.946221995 Simplifying x + -1.5 = -6.946221995 Reorder the terms: -1.5 + x = -6.946221995 Solving -1.5 + x = -6.946221995 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -6.946221995 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -6.946221995 + 1.5 x = -6.946221995 + 1.5 Combine like terms: -6.946221995 + 1.5 = -5.446221995 x = -5.446221995 Simplifying x = -5.446221995

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.446221995, -5.446221995}

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