1x^2+8x-325=0

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Solution for 1x^2+8x-325=0 equation:


Simplifying
1x2 + 8x + -325 = 0

Reorder the terms:
-325 + 8x + 1x2 = 0

Solving
-325 + 8x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '325' to each side of the equation.
-325 + 8x + 325 + x2 = 0 + 325

Reorder the terms:
-325 + 325 + 8x + x2 = 0 + 325

Combine like terms: -325 + 325 = 0
0 + 8x + x2 = 0 + 325
8x + x2 = 0 + 325

Combine like terms: 0 + 325 = 325
8x + x2 = 325

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 325 + 16

Reorder the terms:
16 + 8x + x2 = 325 + 16

Combine like terms: 325 + 16 = 341
16 + 8x + x2 = 341

Factor a perfect square on the left side:
(x + 4)(x + 4) = 341

Calculate the square root of the right side: 18.466185313

Break this problem into two subproblems by setting 
(x + 4) equal to 18.466185313 and -18.466185313.

Subproblem 1

x + 4 = 18.466185313 Simplifying x + 4 = 18.466185313 Reorder the terms: 4 + x = 18.466185313 Solving 4 + x = 18.466185313 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 18.466185313 + -4 Combine like terms: 4 + -4 = 0 0 + x = 18.466185313 + -4 x = 18.466185313 + -4 Combine like terms: 18.466185313 + -4 = 14.466185313 x = 14.466185313 Simplifying x = 14.466185313

Subproblem 2

x + 4 = -18.466185313 Simplifying x + 4 = -18.466185313 Reorder the terms: 4 + x = -18.466185313 Solving 4 + x = -18.466185313 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -18.466185313 + -4 Combine like terms: 4 + -4 = 0 0 + x = -18.466185313 + -4 x = -18.466185313 + -4 Combine like terms: -18.466185313 + -4 = -22.466185313 x = -22.466185313 Simplifying x = -22.466185313

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.466185313, -22.466185313}

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