x^2+49x-196=0

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Solution for x^2+49x-196=0 equation:


Simplifying
x2 + 49x + -196 = 0

Reorder the terms:
-196 + 49x + x2 = 0

Solving
-196 + 49x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '196' to each side of the equation.
-196 + 49x + 196 + x2 = 0 + 196

Reorder the terms:
-196 + 196 + 49x + x2 = 0 + 196

Combine like terms: -196 + 196 = 0
0 + 49x + x2 = 0 + 196
49x + x2 = 0 + 196

Combine like terms: 0 + 196 = 196
49x + x2 = 196

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 = 196 + 600.25

Reorder the terms:
600.25 + 49x + x2 = 196 + 600.25

Combine like terms: 196 + 600.25 = 796.25
600.25 + 49x + x2 = 796.25

Factor a perfect square on the left side:
(x + 24.5)(x + 24.5) = 796.25

Calculate the square root of the right side: 28.217902119

Break this problem into two subproblems by setting 
(x + 24.5) equal to 28.217902119 and -28.217902119.

Subproblem 1

x + 24.5 = 28.217902119 Simplifying x + 24.5 = 28.217902119 Reorder the terms: 24.5 + x = 28.217902119 Solving 24.5 + x = 28.217902119 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 = 28.217902119 + -24.5 Combine like terms: 24.5 + -24.5 = 0.0 0.0 + x = 28.217902119 + -24.5 x = 28.217902119 + -24.5 Combine like terms: 28.217902119 + -24.5 = 3.717902119 x = 3.717902119 Simplifying x = 3.717902119

Subproblem 2

x + 24.5 = -28.217902119 Simplifying x + 24.5 = -28.217902119 Reorder the terms: 24.5 + x = -28.217902119 Solving 24.5 + x = -28.217902119 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 = -28.217902119 + -24.5 Combine like terms: 24.5 + -24.5 = 0.0 0.0 + x = -28.217902119 + -24.5 x = -28.217902119 + -24.5 Combine like terms: -28.217902119 + -24.5 = -52.717902119 x = -52.717902119 Simplifying x = -52.717902119

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.717902119, -52.717902119}

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