4.42x^2=20.115x+44.957

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Solution for 4.42x^2=20.115x+44.957 equation:


Simplifying
4.42x2 = 20.115x + 44.957

Reorder the terms:
4.42x2 = 44.957 + 20.115x

Solving
4.42x2 = 44.957 + 20.115x

Solving for variable 'x'.

Reorder the terms:
-44.957 + -20.115x + 4.42x2 = 44.957 + 20.115x + -44.957 + -20.115x

Reorder the terms:
-44.957 + -20.115x + 4.42x2 = 44.957 + -44.957 + 20.115x + -20.115x

Combine like terms: 44.957 + -44.957 = 0.000
-44.957 + -20.115x + 4.42x2 = 0.000 + 20.115x + -20.115x
-44.957 + -20.115x + 4.42x2 = 20.115x + -20.115x

Combine like terms: 20.115x + -20.115x = 0.000
-44.957 + -20.115x + 4.42x2 = 0.000

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

Divide each side by '4.42'.
-10.17126697 + -4.550904977x + x2 = 0.0

Move the constant term to the right:

Add '10.17126697' to each side of the equation.
-10.17126697 + -4.550904977x + 10.17126697 + x2 = 0.0 + 10.17126697

Reorder the terms:
-10.17126697 + 10.17126697 + -4.550904977x + x2 = 0.0 + 10.17126697

Combine like terms: -10.17126697 + 10.17126697 = 0.00000000
0.00000000 + -4.550904977x + x2 = 0.0 + 10.17126697
-4.550904977x + x2 = 0.0 + 10.17126697

Combine like terms: 0.0 + 10.17126697 = 10.17126697
-4.550904977x + x2 = 10.17126697

The x term is -4.550904977x.  Take half its coefficient (-2.275452489).
Square it (5.177684030) and add it to both sides.

Add '5.177684030' to each side of the equation.
-4.550904977x + 5.177684030 + x2 = 10.17126697 + 5.177684030

Reorder the terms:
5.177684030 + -4.550904977x + x2 = 10.17126697 + 5.177684030

Combine like terms: 10.17126697 + 5.177684030 = 15.348951
5.177684030 + -4.550904977x + x2 = 15.348951

Factor a perfect square on the left side:
(x + -2.275452489)(x + -2.275452489) = 15.348951

Calculate the square root of the right side: 3.91777373

Break this problem into two subproblems by setting 
(x + -2.275452489) equal to 3.91777373 and -3.91777373.

Subproblem 1

x + -2.275452489 = 3.91777373 Simplifying x + -2.275452489 = 3.91777373 Reorder the terms: -2.275452489 + x = 3.91777373 Solving -2.275452489 + x = 3.91777373 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.275452489' to each side of the equation. -2.275452489 + 2.275452489 + x = 3.91777373 + 2.275452489 Combine like terms: -2.275452489 + 2.275452489 = 0.000000000 0.000000000 + x = 3.91777373 + 2.275452489 x = 3.91777373 + 2.275452489 Combine like terms: 3.91777373 + 2.275452489 = 6.193226219 x = 6.193226219 Simplifying x = 6.193226219

Subproblem 2

x + -2.275452489 = -3.91777373 Simplifying x + -2.275452489 = -3.91777373 Reorder the terms: -2.275452489 + x = -3.91777373 Solving -2.275452489 + x = -3.91777373 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.275452489' to each side of the equation. -2.275452489 + 2.275452489 + x = -3.91777373 + 2.275452489 Combine like terms: -2.275452489 + 2.275452489 = 0.000000000 0.000000000 + x = -3.91777373 + 2.275452489 x = -3.91777373 + 2.275452489 Combine like terms: -3.91777373 + 2.275452489 = -1.642321241 x = -1.642321241 Simplifying x = -1.642321241

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.193226219, -1.642321241}

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