x^2+46x-45=0

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Solution for x^2+46x-45=0 equation:


Simplifying
x2 + 46x + -45 = 0

Reorder the terms:
-45 + 46x + x2 = 0

Solving
-45 + 46x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '45' to each side of the equation.
-45 + 46x + 45 + x2 = 0 + 45

Reorder the terms:
-45 + 45 + 46x + x2 = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 46x + x2 = 0 + 45
46x + x2 = 0 + 45

Combine like terms: 0 + 45 = 45
46x + x2 = 45

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 = 45 + 529

Reorder the terms:
529 + 46x + x2 = 45 + 529

Combine like terms: 45 + 529 = 574
529 + 46x + x2 = 574

Factor a perfect square on the left side:
(x + 23)(x + 23) = 574

Calculate the square root of the right side: 23.958297101

Break this problem into two subproblems by setting 
(x + 23) equal to 23.958297101 and -23.958297101.

Subproblem 1

x + 23 = 23.958297101 Simplifying x + 23 = 23.958297101 Reorder the terms: 23 + x = 23.958297101 Solving 23 + x = 23.958297101 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 = 23.958297101 + -23 Combine like terms: 23 + -23 = 0 0 + x = 23.958297101 + -23 x = 23.958297101 + -23 Combine like terms: 23.958297101 + -23 = 0.958297101 x = 0.958297101 Simplifying x = 0.958297101

Subproblem 2

x + 23 = -23.958297101 Simplifying x + 23 = -23.958297101 Reorder the terms: 23 + x = -23.958297101 Solving 23 + x = -23.958297101 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 = -23.958297101 + -23 Combine like terms: 23 + -23 = 0 0 + x = -23.958297101 + -23 x = -23.958297101 + -23 Combine like terms: -23.958297101 + -23 = -46.958297101 x = -46.958297101 Simplifying x = -46.958297101

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.958297101, -46.958297101}

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