-x^2+46x-30=0

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Solution for -x^2+46x-30=0 equation:


Simplifying
-1x2 + 46x + -30 = 0

Reorder the terms:
-30 + 46x + -1x2 = 0

Solving
-30 + 46x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
30 + -46x + x2 = 0

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + -46x + -30 + x2 = 0 + -30

Reorder the terms:
30 + -30 + -46x + x2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -46x + x2 = 0 + -30
-46x + x2 = 0 + -30

Combine like terms: 0 + -30 = -30
-46x + x2 = -30

The x term is -46x.  Take half its coefficient (-23).
Square it (529) and add it to both sides.

Add '529' to each side of the equation.
-46x + 529 + x2 = -30 + 529

Reorder the terms:
529 + -46x + x2 = -30 + 529

Combine like terms: -30 + 529 = 499
529 + -46x + x2 = 499

Factor a perfect square on the left side:
(x + -23)(x + -23) = 499

Calculate the square root of the right side: 22.338307904

Break this problem into two subproblems by setting 
(x + -23) equal to 22.338307904 and -22.338307904.

Subproblem 1

x + -23 = 22.338307904 Simplifying x + -23 = 22.338307904 Reorder the terms: -23 + x = 22.338307904 Solving -23 + x = 22.338307904 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + x = 22.338307904 + 23 Combine like terms: -23 + 23 = 0 0 + x = 22.338307904 + 23 x = 22.338307904 + 23 Combine like terms: 22.338307904 + 23 = 45.338307904 x = 45.338307904 Simplifying x = 45.338307904

Subproblem 2

x + -23 = -22.338307904 Simplifying x + -23 = -22.338307904 Reorder the terms: -23 + x = -22.338307904 Solving -23 + x = -22.338307904 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + x = -22.338307904 + 23 Combine like terms: -23 + 23 = 0 0 + x = -22.338307904 + 23 x = -22.338307904 + 23 Combine like terms: -22.338307904 + 23 = 0.661692096 x = 0.661692096 Simplifying x = 0.661692096

Solution

The solution to the problem is based on the solutions from the subproblems. x = {45.338307904, 0.661692096}

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