x^2+14x-60=0

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Solution for x^2+14x-60=0 equation:


Simplifying
x2 + 14x + -60 = 0

Reorder the terms:
-60 + 14x + x2 = 0

Solving
-60 + 14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + 14x + 60 + x2 = 0 + 60

Reorder the terms:
-60 + 60 + 14x + x2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 14x + x2 = 0 + 60
14x + x2 = 0 + 60

Combine like terms: 0 + 60 = 60
14x + x2 = 60

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 = 60 + 49

Reorder the terms:
49 + 14x + x2 = 60 + 49

Combine like terms: 60 + 49 = 109
49 + 14x + x2 = 109

Factor a perfect square on the left side:
(x + 7)(x + 7) = 109

Calculate the square root of the right side: 10.440306509

Break this problem into two subproblems by setting 
(x + 7) equal to 10.440306509 and -10.440306509.

Subproblem 1

x + 7 = 10.440306509 Simplifying x + 7 = 10.440306509 Reorder the terms: 7 + x = 10.440306509 Solving 7 + x = 10.440306509 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 = 10.440306509 + -7 Combine like terms: 7 + -7 = 0 0 + x = 10.440306509 + -7 x = 10.440306509 + -7 Combine like terms: 10.440306509 + -7 = 3.440306509 x = 3.440306509 Simplifying x = 3.440306509

Subproblem 2

x + 7 = -10.440306509 Simplifying x + 7 = -10.440306509 Reorder the terms: 7 + x = -10.440306509 Solving 7 + x = -10.440306509 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 = -10.440306509 + -7 Combine like terms: 7 + -7 = 0 0 + x = -10.440306509 + -7 x = -10.440306509 + -7 Combine like terms: -10.440306509 + -7 = -17.440306509 x = -17.440306509 Simplifying x = -17.440306509

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.440306509, -17.440306509}

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