a^2+60a-60=

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Solution for a^2+60a-60= equation:


Simplifying
a2 + 60a + -60 = 0

Reorder the terms:
-60 + 60a + a2 = 0

Solving
-60 + 60a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + 60a + 60 + a2 = 0 + 60

Reorder the terms:
-60 + 60 + 60a + a2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 60a + a2 = 0 + 60
60a + a2 = 0 + 60

Combine like terms: 0 + 60 = 60
60a + a2 = 60

The a term is 60a.  Take half its coefficient (30).
Square it (900) and add it to both sides.

Add '900' to each side of the equation.
60a + 900 + a2 = 60 + 900

Reorder the terms:
900 + 60a + a2 = 60 + 900

Combine like terms: 60 + 900 = 960
900 + 60a + a2 = 960

Factor a perfect square on the left side:
(a + 30)(a + 30) = 960

Calculate the square root of the right side: 30.98386677

Break this problem into two subproblems by setting 
(a + 30) equal to 30.98386677 and -30.98386677.

Subproblem 1

a + 30 = 30.98386677 Simplifying a + 30 = 30.98386677 Reorder the terms: 30 + a = 30.98386677 Solving 30 + a = 30.98386677 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + a = 30.98386677 + -30 Combine like terms: 30 + -30 = 0 0 + a = 30.98386677 + -30 a = 30.98386677 + -30 Combine like terms: 30.98386677 + -30 = 0.98386677 a = 0.98386677 Simplifying a = 0.98386677

Subproblem 2

a + 30 = -30.98386677 Simplifying a + 30 = -30.98386677 Reorder the terms: 30 + a = -30.98386677 Solving 30 + a = -30.98386677 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + a = -30.98386677 + -30 Combine like terms: 30 + -30 = 0 0 + a = -30.98386677 + -30 a = -30.98386677 + -30 Combine like terms: -30.98386677 + -30 = -60.98386677 a = -60.98386677 Simplifying a = -60.98386677

Solution

The solution to the problem is based on the solutions from the subproblems. a = {0.98386677, -60.98386677}

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