10x^2-49x+54=0

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Solution for 10x^2-49x+54=0 equation:


Simplifying
10x2 + -49x + 54 = 0

Reorder the terms:
54 + -49x + 10x2 = 0

Solving
54 + -49x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
5.4 + -4.9x + x2 = 0

Move the constant term to the right:

Add '-5.4' to each side of the equation.
5.4 + -4.9x + -5.4 + x2 = 0 + -5.4

Reorder the terms:
5.4 + -5.4 + -4.9x + x2 = 0 + -5.4

Combine like terms: 5.4 + -5.4 = 0.0
0.0 + -4.9x + x2 = 0 + -5.4
-4.9x + x2 = 0 + -5.4

Combine like terms: 0 + -5.4 = -5.4
-4.9x + x2 = -5.4

The x term is -4.9x.  Take half its coefficient (-2.45).
Square it (6.0025) and add it to both sides.

Add '6.0025' to each side of the equation.
-4.9x + 6.0025 + x2 = -5.4 + 6.0025

Reorder the terms:
6.0025 + -4.9x + x2 = -5.4 + 6.0025

Combine like terms: -5.4 + 6.0025 = 0.6025
6.0025 + -4.9x + x2 = 0.6025

Factor a perfect square on the left side:
(x + -2.45)(x + -2.45) = 0.6025

Calculate the square root of the right side: 0.776208735

Break this problem into two subproblems by setting 
(x + -2.45) equal to 0.776208735 and -0.776208735.

Subproblem 1

x + -2.45 = 0.776208735 Simplifying x + -2.45 = 0.776208735 Reorder the terms: -2.45 + x = 0.776208735 Solving -2.45 + x = 0.776208735 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.45' to each side of the equation. -2.45 + 2.45 + x = 0.776208735 + 2.45 Combine like terms: -2.45 + 2.45 = 0.00 0.00 + x = 0.776208735 + 2.45 x = 0.776208735 + 2.45 Combine like terms: 0.776208735 + 2.45 = 3.226208735 x = 3.226208735 Simplifying x = 3.226208735

Subproblem 2

x + -2.45 = -0.776208735 Simplifying x + -2.45 = -0.776208735 Reorder the terms: -2.45 + x = -0.776208735 Solving -2.45 + x = -0.776208735 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.45' to each side of the equation. -2.45 + 2.45 + x = -0.776208735 + 2.45 Combine like terms: -2.45 + 2.45 = 0.00 0.00 + x = -0.776208735 + 2.45 x = -0.776208735 + 2.45 Combine like terms: -0.776208735 + 2.45 = 1.673791265 x = 1.673791265 Simplifying x = 1.673791265

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.226208735, 1.673791265}

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