(-l^2)-64l+2304=0

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Solution for (-l^2)-64l+2304=0 equation:


Simplifying
(-1l2) + -64l + 2304 = 0

Reorder the terms:
2304 + -64l + (-1l2) = 0

Solving
2304 + -64l + (-1l2) = 0

Solving for variable 'l'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-2304 + 64l + l2 = 0

Move the constant term to the right:

Add '2304' to each side of the equation.
-2304 + 64l + 2304 + l2 = 0 + 2304

Reorder the terms:
-2304 + 2304 + 64l + l2 = 0 + 2304

Combine like terms: -2304 + 2304 = 0
0 + 64l + l2 = 0 + 2304
64l + l2 = 0 + 2304

Combine like terms: 0 + 2304 = 2304
64l + l2 = 2304

The l term is 64l.  Take half its coefficient (32).
Square it (1024) and add it to both sides.

Add '1024' to each side of the equation.
64l + 1024 + l2 = 2304 + 1024

Reorder the terms:
1024 + 64l + l2 = 2304 + 1024

Combine like terms: 2304 + 1024 = 3328
1024 + 64l + l2 = 3328

Factor a perfect square on the left side:
((l) + 32)((l) + 32) = 3328

Calculate the square root of the right side: 57.688820407

Break this problem into two subproblems by setting 
((l) + 32) equal to 57.688820407 and -57.688820407.

Subproblem 1

(l) + 32 = 57.688820407 Simplifying (l) + 32 = 57.688820407 l + 32 = 57.688820407 Reorder the terms: 32 + l = 57.688820407 Solving 32 + l = 57.688820407 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '-32' to each side of the equation. 32 + -32 + l = 57.688820407 + -32 Combine like terms: 32 + -32 = 0 0 + l = 57.688820407 + -32 l = 57.688820407 + -32 Combine like terms: 57.688820407 + -32 = 25.688820407 l = 25.688820407 Simplifying l = 25.688820407

Subproblem 2

(l) + 32 = -57.688820407 Simplifying (l) + 32 = -57.688820407 l + 32 = -57.688820407 Reorder the terms: 32 + l = -57.688820407 Solving 32 + l = -57.688820407 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '-32' to each side of the equation. 32 + -32 + l = -57.688820407 + -32 Combine like terms: 32 + -32 = 0 0 + l = -57.688820407 + -32 l = -57.688820407 + -32 Combine like terms: -57.688820407 + -32 = -89.688820407 l = -89.688820407 Simplifying l = -89.688820407

Solution

The solution to the problem is based on the solutions from the subproblems. l = {25.688820407, -89.688820407}

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