-.05x^2+2.7x+5.5=0

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Solution for -.05x^2+2.7x+5.5=0 equation:


Simplifying
-0.05x2 + 2.7x + 5.5 = 0

Reorder the terms:
5.5 + 2.7x + -0.05x2 = 0

Solving
5.5 + 2.7x + -0.05x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.05 the coefficient of the squared term: 

Divide each side by '-0.05'.
-110 + -54x + x2 = 0

Move the constant term to the right:

Add '110' to each side of the equation.
-110 + -54x + 110 + x2 = 0 + 110

Reorder the terms:
-110 + 110 + -54x + x2 = 0 + 110

Combine like terms: -110 + 110 = 0
0 + -54x + x2 = 0 + 110
-54x + x2 = 0 + 110

Combine like terms: 0 + 110 = 110
-54x + x2 = 110

The x term is -54x.  Take half its coefficient (-27).
Square it (729) and add it to both sides.

Add '729' to each side of the equation.
-54x + 729 + x2 = 110 + 729

Reorder the terms:
729 + -54x + x2 = 110 + 729

Combine like terms: 110 + 729 = 839
729 + -54x + x2 = 839

Factor a perfect square on the left side:
(x + -27)(x + -27) = 839

Calculate the square root of the right side: 28.965496716

Break this problem into two subproblems by setting 
(x + -27) equal to 28.965496716 and -28.965496716.

Subproblem 1

x + -27 = 28.965496716 Simplifying x + -27 = 28.965496716 Reorder the terms: -27 + x = 28.965496716 Solving -27 + x = 28.965496716 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + x = 28.965496716 + 27 Combine like terms: -27 + 27 = 0 0 + x = 28.965496716 + 27 x = 28.965496716 + 27 Combine like terms: 28.965496716 + 27 = 55.965496716 x = 55.965496716 Simplifying x = 55.965496716

Subproblem 2

x + -27 = -28.965496716 Simplifying x + -27 = -28.965496716 Reorder the terms: -27 + x = -28.965496716 Solving -27 + x = -28.965496716 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + x = -28.965496716 + 27 Combine like terms: -27 + 27 = 0 0 + x = -28.965496716 + 27 x = -28.965496716 + 27 Combine like terms: -28.965496716 + 27 = -1.965496716 x = -1.965496716 Simplifying x = -1.965496716

Solution

The solution to the problem is based on the solutions from the subproblems. x = {55.965496716, -1.965496716}

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