4x^2-49x+65=0

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Solution for 4x^2-49x+65=0 equation:


Simplifying
4x2 + -49x + 65 = 0

Reorder the terms:
65 + -49x + 4x2 = 0

Solving
65 + -49x + 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'.
16.25 + -12.25x + x2 = 0

Move the constant term to the right:

Add '-16.25' to each side of the equation.
16.25 + -12.25x + -16.25 + x2 = 0 + -16.25

Reorder the terms:
16.25 + -16.25 + -12.25x + x2 = 0 + -16.25

Combine like terms: 16.25 + -16.25 = 0.00
0.00 + -12.25x + x2 = 0 + -16.25
-12.25x + x2 = 0 + -16.25

Combine like terms: 0 + -16.25 = -16.25
-12.25x + x2 = -16.25

The x term is -12.25x.  Take half its coefficient (-6.125).
Square it (37.515625) and add it to both sides.

Add '37.515625' to each side of the equation.
-12.25x + 37.515625 + x2 = -16.25 + 37.515625

Reorder the terms:
37.515625 + -12.25x + x2 = -16.25 + 37.515625

Combine like terms: -16.25 + 37.515625 = 21.265625
37.515625 + -12.25x + x2 = 21.265625

Factor a perfect square on the left side:
(x + -6.125)(x + -6.125) = 21.265625

Calculate the square root of the right side: 4.611466686

Break this problem into two subproblems by setting 
(x + -6.125) equal to 4.611466686 and -4.611466686.

Subproblem 1

x + -6.125 = 4.611466686 Simplifying x + -6.125 = 4.611466686 Reorder the terms: -6.125 + x = 4.611466686 Solving -6.125 + x = 4.611466686 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.125' to each side of the equation. -6.125 + 6.125 + x = 4.611466686 + 6.125 Combine like terms: -6.125 + 6.125 = 0.000 0.000 + x = 4.611466686 + 6.125 x = 4.611466686 + 6.125 Combine like terms: 4.611466686 + 6.125 = 10.736466686 x = 10.736466686 Simplifying x = 10.736466686

Subproblem 2

x + -6.125 = -4.611466686 Simplifying x + -6.125 = -4.611466686 Reorder the terms: -6.125 + x = -4.611466686 Solving -6.125 + x = -4.611466686 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.125' to each side of the equation. -6.125 + 6.125 + x = -4.611466686 + 6.125 Combine like terms: -6.125 + 6.125 = 0.000 0.000 + x = -4.611466686 + 6.125 x = -4.611466686 + 6.125 Combine like terms: -4.611466686 + 6.125 = 1.513533314 x = 1.513533314 Simplifying x = 1.513533314

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.736466686, 1.513533314}

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