2x^2-35x+54=0

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Solution for 2x^2-35x+54=0 equation:


Simplifying
2x2 + -35x + 54 = 0

Reorder the terms:
54 + -35x + 2x2 = 0

Solving
54 + -35x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
27 + -17.5x + x2 = 0

Move the constant term to the right:

Add '-27' to each side of the equation.
27 + -17.5x + -27 + x2 = 0 + -27

Reorder the terms:
27 + -27 + -17.5x + x2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -17.5x + x2 = 0 + -27
-17.5x + x2 = 0 + -27

Combine like terms: 0 + -27 = -27
-17.5x + x2 = -27

The x term is -17.5x.  Take half its coefficient (-8.75).
Square it (76.5625) and add it to both sides.

Add '76.5625' to each side of the equation.
-17.5x + 76.5625 + x2 = -27 + 76.5625

Reorder the terms:
76.5625 + -17.5x + x2 = -27 + 76.5625

Combine like terms: -27 + 76.5625 = 49.5625
76.5625 + -17.5x + x2 = 49.5625

Factor a perfect square on the left side:
(x + -8.75)(x + -8.75) = 49.5625

Calculate the square root of the right side: 7.04006392

Break this problem into two subproblems by setting 
(x + -8.75) equal to 7.04006392 and -7.04006392.

Subproblem 1

x + -8.75 = 7.04006392 Simplifying x + -8.75 = 7.04006392 Reorder the terms: -8.75 + x = 7.04006392 Solving -8.75 + x = 7.04006392 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.75' to each side of the equation. -8.75 + 8.75 + x = 7.04006392 + 8.75 Combine like terms: -8.75 + 8.75 = 0.00 0.00 + x = 7.04006392 + 8.75 x = 7.04006392 + 8.75 Combine like terms: 7.04006392 + 8.75 = 15.79006392 x = 15.79006392 Simplifying x = 15.79006392

Subproblem 2

x + -8.75 = -7.04006392 Simplifying x + -8.75 = -7.04006392 Reorder the terms: -8.75 + x = -7.04006392 Solving -8.75 + x = -7.04006392 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.75' to each side of the equation. -8.75 + 8.75 + x = -7.04006392 + 8.75 Combine like terms: -8.75 + 8.75 = 0.00 0.00 + x = -7.04006392 + 8.75 x = -7.04006392 + 8.75 Combine like terms: -7.04006392 + 8.75 = 1.70993608 x = 1.70993608 Simplifying x = 1.70993608

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.79006392, 1.70993608}

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