-5x^2+40x-59=-3x^2+26

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Solution for -5x^2+40x-59=-3x^2+26 equation:


Simplifying
-5x2 + 40x + -59 = -3x2 + 26

Reorder the terms:
-59 + 40x + -5x2 = -3x2 + 26

Reorder the terms:
-59 + 40x + -5x2 = 26 + -3x2

Solving
-59 + 40x + -5x2 = 26 + -3x2

Solving for variable 'x'.

Reorder the terms:
-59 + -26 + 40x + -5x2 + 3x2 = 26 + -3x2 + -26 + 3x2

Combine like terms: -59 + -26 = -85
-85 + 40x + -5x2 + 3x2 = 26 + -3x2 + -26 + 3x2

Combine like terms: -5x2 + 3x2 = -2x2
-85 + 40x + -2x2 = 26 + -3x2 + -26 + 3x2

Reorder the terms:
-85 + 40x + -2x2 = 26 + -26 + -3x2 + 3x2

Combine like terms: 26 + -26 = 0
-85 + 40x + -2x2 = 0 + -3x2 + 3x2
-85 + 40x + -2x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-85 + 40x + -2x2 = 0

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

Divide each side by '-2'.
42.5 + -20x + x2 = 0

Move the constant term to the right:

Add '-42.5' to each side of the equation.
42.5 + -20x + -42.5 + x2 = 0 + -42.5

Reorder the terms:
42.5 + -42.5 + -20x + x2 = 0 + -42.5

Combine like terms: 42.5 + -42.5 = 0.0
0.0 + -20x + x2 = 0 + -42.5
-20x + x2 = 0 + -42.5

Combine like terms: 0 + -42.5 = -42.5
-20x + x2 = -42.5

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = -42.5 + 100

Reorder the terms:
100 + -20x + x2 = -42.5 + 100

Combine like terms: -42.5 + 100 = 57.5
100 + -20x + x2 = 57.5

Factor a perfect square on the left side:
(x + -10)(x + -10) = 57.5

Calculate the square root of the right side: 7.582875444

Break this problem into two subproblems by setting 
(x + -10) equal to 7.582875444 and -7.582875444.

Subproblem 1

x + -10 = 7.582875444 Simplifying x + -10 = 7.582875444 Reorder the terms: -10 + x = 7.582875444 Solving -10 + x = 7.582875444 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 7.582875444 + 10 Combine like terms: -10 + 10 = 0 0 + x = 7.582875444 + 10 x = 7.582875444 + 10 Combine like terms: 7.582875444 + 10 = 17.582875444 x = 17.582875444 Simplifying x = 17.582875444

Subproblem 2

x + -10 = -7.582875444 Simplifying x + -10 = -7.582875444 Reorder the terms: -10 + x = -7.582875444 Solving -10 + x = -7.582875444 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -7.582875444 + 10 Combine like terms: -10 + 10 = 0 0 + x = -7.582875444 + 10 x = -7.582875444 + 10 Combine like terms: -7.582875444 + 10 = 2.417124556 x = 2.417124556 Simplifying x = 2.417124556

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.582875444, 2.417124556}

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