-16x^2+96x+265=0

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Solution for -16x^2+96x+265=0 equation:


Simplifying
-16x2 + 96x + 265 = 0

Reorder the terms:
265 + 96x + -16x2 = 0

Solving
265 + 96x + -16x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
-16.5625 + -6x + x2 = 0

Move the constant term to the right:

Add '16.5625' to each side of the equation.
-16.5625 + -6x + 16.5625 + x2 = 0 + 16.5625

Reorder the terms:
-16.5625 + 16.5625 + -6x + x2 = 0 + 16.5625

Combine like terms: -16.5625 + 16.5625 = 0.0000
0.0000 + -6x + x2 = 0 + 16.5625
-6x + x2 = 0 + 16.5625

Combine like terms: 0 + 16.5625 = 16.5625
-6x + x2 = 16.5625

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 16.5625 + 9

Reorder the terms:
9 + -6x + x2 = 16.5625 + 9

Combine like terms: 16.5625 + 9 = 25.5625
9 + -6x + x2 = 25.5625

Factor a perfect square on the left side:
(x + -3)(x + -3) = 25.5625

Calculate the square root of the right side: 5.055937104

Break this problem into two subproblems by setting 
(x + -3) equal to 5.055937104 and -5.055937104.

Subproblem 1

x + -3 = 5.055937104 Simplifying x + -3 = 5.055937104 Reorder the terms: -3 + x = 5.055937104 Solving -3 + x = 5.055937104 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 5.055937104 + 3 Combine like terms: -3 + 3 = 0 0 + x = 5.055937104 + 3 x = 5.055937104 + 3 Combine like terms: 5.055937104 + 3 = 8.055937104 x = 8.055937104 Simplifying x = 8.055937104

Subproblem 2

x + -3 = -5.055937104 Simplifying x + -3 = -5.055937104 Reorder the terms: -3 + x = -5.055937104 Solving -3 + x = -5.055937104 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -5.055937104 + 3 Combine like terms: -3 + 3 = 0 0 + x = -5.055937104 + 3 x = -5.055937104 + 3 Combine like terms: -5.055937104 + 3 = -2.055937104 x = -2.055937104 Simplifying x = -2.055937104

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.055937104, -2.055937104}

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