x^2-49x-455=0

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Solution for x^2-49x-455=0 equation:


Simplifying
x2 + -49x + -455 = 0

Reorder the terms:
-455 + -49x + x2 = 0

Solving
-455 + -49x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '455' to each side of the equation.
-455 + -49x + 455 + x2 = 0 + 455

Reorder the terms:
-455 + 455 + -49x + x2 = 0 + 455

Combine like terms: -455 + 455 = 0
0 + -49x + x2 = 0 + 455
-49x + x2 = 0 + 455

Combine like terms: 0 + 455 = 455
-49x + x2 = 455

The x term is -49x.  Take half its coefficient (-24.5).
Square it (600.25) and add it to both sides.

Add '600.25' to each side of the equation.
-49x + 600.25 + x2 = 455 + 600.25

Reorder the terms:
600.25 + -49x + x2 = 455 + 600.25

Combine like terms: 455 + 600.25 = 1055.25
600.25 + -49x + x2 = 1055.25

Factor a perfect square on the left side:
(x + -24.5)(x + -24.5) = 1055.25

Calculate the square root of the right side: 32.484611742

Break this problem into two subproblems by setting 
(x + -24.5) equal to 32.484611742 and -32.484611742.

Subproblem 1

x + -24.5 = 32.484611742 Simplifying x + -24.5 = 32.484611742 Reorder the terms: -24.5 + x = 32.484611742 Solving -24.5 + x = 32.484611742 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + x = 32.484611742 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + x = 32.484611742 + 24.5 x = 32.484611742 + 24.5 Combine like terms: 32.484611742 + 24.5 = 56.984611742 x = 56.984611742 Simplifying x = 56.984611742

Subproblem 2

x + -24.5 = -32.484611742 Simplifying x + -24.5 = -32.484611742 Reorder the terms: -24.5 + x = -32.484611742 Solving -24.5 + x = -32.484611742 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + x = -32.484611742 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + x = -32.484611742 + 24.5 x = -32.484611742 + 24.5 Combine like terms: -32.484611742 + 24.5 = -7.984611742 x = -7.984611742 Simplifying x = -7.984611742

Solution

The solution to the problem is based on the solutions from the subproblems. x = {56.984611742, -7.984611742}

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