-53x+95=5x^2-9

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Solution for -53x+95=5x^2-9 equation:


Simplifying
-53x + 95 = 5x2 + -9

Reorder the terms:
95 + -53x = 5x2 + -9

Reorder the terms:
95 + -53x = -9 + 5x2

Solving
95 + -53x = -9 + 5x2

Solving for variable 'x'.

Reorder the terms:
95 + 9 + -53x + -5x2 = -9 + 5x2 + 9 + -5x2

Combine like terms: 95 + 9 = 104
104 + -53x + -5x2 = -9 + 5x2 + 9 + -5x2

Reorder the terms:
104 + -53x + -5x2 = -9 + 9 + 5x2 + -5x2

Combine like terms: -9 + 9 = 0
104 + -53x + -5x2 = 0 + 5x2 + -5x2
104 + -53x + -5x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
104 + -53x + -5x2 = 0

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
-20.8 + 10.6x + x2 = 0

Move the constant term to the right:

Add '20.8' to each side of the equation.
-20.8 + 10.6x + 20.8 + x2 = 0 + 20.8

Reorder the terms:
-20.8 + 20.8 + 10.6x + x2 = 0 + 20.8

Combine like terms: -20.8 + 20.8 = 0.0
0.0 + 10.6x + x2 = 0 + 20.8
10.6x + x2 = 0 + 20.8

Combine like terms: 0 + 20.8 = 20.8
10.6x + x2 = 20.8

The x term is 10.6x.  Take half its coefficient (5.3).
Square it (28.09) and add it to both sides.

Add '28.09' to each side of the equation.
10.6x + 28.09 + x2 = 20.8 + 28.09

Reorder the terms:
28.09 + 10.6x + x2 = 20.8 + 28.09

Combine like terms: 20.8 + 28.09 = 48.89
28.09 + 10.6x + x2 = 48.89

Factor a perfect square on the left side:
(x + 5.3)(x + 5.3) = 48.89

Calculate the square root of the right side: 6.992138443

Break this problem into two subproblems by setting 
(x + 5.3) equal to 6.992138443 and -6.992138443.

Subproblem 1

x + 5.3 = 6.992138443 Simplifying x + 5.3 = 6.992138443 Reorder the terms: 5.3 + x = 6.992138443 Solving 5.3 + x = 6.992138443 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.3' to each side of the equation. 5.3 + -5.3 + x = 6.992138443 + -5.3 Combine like terms: 5.3 + -5.3 = 0.0 0.0 + x = 6.992138443 + -5.3 x = 6.992138443 + -5.3 Combine like terms: 6.992138443 + -5.3 = 1.692138443 x = 1.692138443 Simplifying x = 1.692138443

Subproblem 2

x + 5.3 = -6.992138443 Simplifying x + 5.3 = -6.992138443 Reorder the terms: 5.3 + x = -6.992138443 Solving 5.3 + x = -6.992138443 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.3' to each side of the equation. 5.3 + -5.3 + x = -6.992138443 + -5.3 Combine like terms: 5.3 + -5.3 = 0.0 0.0 + x = -6.992138443 + -5.3 x = -6.992138443 + -5.3 Combine like terms: -6.992138443 + -5.3 = -12.292138443 x = -12.292138443 Simplifying x = -12.292138443

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.692138443, -12.292138443}

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