u^2+19u-60=0

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Solution for u^2+19u-60=0 equation:


Simplifying
u2 + 19u + -60 = 0

Reorder the terms:
-60 + 19u + u2 = 0

Solving
-60 + 19u + u2 = 0

Solving for variable 'u'.

Begin completing the square.

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + 19u + 60 + u2 = 0 + 60

Reorder the terms:
-60 + 60 + 19u + u2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 19u + u2 = 0 + 60
19u + u2 = 0 + 60

Combine like terms: 0 + 60 = 60
19u + u2 = 60

The u term is 19u.  Take half its coefficient (9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
19u + 90.25 + u2 = 60 + 90.25

Reorder the terms:
90.25 + 19u + u2 = 60 + 90.25

Combine like terms: 60 + 90.25 = 150.25
90.25 + 19u + u2 = 150.25

Factor a perfect square on the left side:
(u + 9.5)(u + 9.5) = 150.25

Calculate the square root of the right side: 12.257650672

Break this problem into two subproblems by setting 
(u + 9.5) equal to 12.257650672 and -12.257650672.

Subproblem 1

u + 9.5 = 12.257650672 Simplifying u + 9.5 = 12.257650672 Reorder the terms: 9.5 + u = 12.257650672 Solving 9.5 + u = 12.257650672 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-9.5' to each side of the equation. 9.5 + -9.5 + u = 12.257650672 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + u = 12.257650672 + -9.5 u = 12.257650672 + -9.5 Combine like terms: 12.257650672 + -9.5 = 2.757650672 u = 2.757650672 Simplifying u = 2.757650672

Subproblem 2

u + 9.5 = -12.257650672 Simplifying u + 9.5 = -12.257650672 Reorder the terms: 9.5 + u = -12.257650672 Solving 9.5 + u = -12.257650672 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-9.5' to each side of the equation. 9.5 + -9.5 + u = -12.257650672 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + u = -12.257650672 + -9.5 u = -12.257650672 + -9.5 Combine like terms: -12.257650672 + -9.5 = -21.757650672 u = -21.757650672 Simplifying u = -21.757650672

Solution

The solution to the problem is based on the solutions from the subproblems. u = {2.757650672, -21.757650672}

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