x^2+14x-370=0

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Solution for x^2+14x-370=0 equation:


Simplifying
x2 + 14x + -370 = 0

Reorder the terms:
-370 + 14x + x2 = 0

Solving
-370 + 14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '370' to each side of the equation.
-370 + 14x + 370 + x2 = 0 + 370

Reorder the terms:
-370 + 370 + 14x + x2 = 0 + 370

Combine like terms: -370 + 370 = 0
0 + 14x + x2 = 0 + 370
14x + x2 = 0 + 370

Combine like terms: 0 + 370 = 370
14x + x2 = 370

The x term is 14x.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14x + 49 + x2 = 370 + 49

Reorder the terms:
49 + 14x + x2 = 370 + 49

Combine like terms: 370 + 49 = 419
49 + 14x + x2 = 419

Factor a perfect square on the left side:
(x + 7)(x + 7) = 419

Calculate the square root of the right side: 20.46948949

Break this problem into two subproblems by setting 
(x + 7) equal to 20.46948949 and -20.46948949.

Subproblem 1

x + 7 = 20.46948949 Simplifying x + 7 = 20.46948949 Reorder the terms: 7 + x = 20.46948949 Solving 7 + x = 20.46948949 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 20.46948949 + -7 Combine like terms: 7 + -7 = 0 0 + x = 20.46948949 + -7 x = 20.46948949 + -7 Combine like terms: 20.46948949 + -7 = 13.46948949 x = 13.46948949 Simplifying x = 13.46948949

Subproblem 2

x + 7 = -20.46948949 Simplifying x + 7 = -20.46948949 Reorder the terms: 7 + x = -20.46948949 Solving 7 + x = -20.46948949 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = -20.46948949 + -7 Combine like terms: 7 + -7 = 0 0 + x = -20.46948949 + -7 x = -20.46948949 + -7 Combine like terms: -20.46948949 + -7 = -27.46948949 x = -27.46948949 Simplifying x = -27.46948949

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.46948949, -27.46948949}

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