0=-16x^2+96x+5

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Solution for 0=-16x^2+96x+5 equation:


Simplifying
0 = -16x2 + 96x + 5

Reorder the terms:
0 = 5 + 96x + -16x2

Solving
0 = 5 + 96x + -16x2

Solving for variable 'x'.

Combine like terms: 0 + -5 = -5
-5 + -96x + 16x2 = 5 + 96x + -16x2 + -5 + -96x + 16x2

Reorder the terms:
-5 + -96x + 16x2 = 5 + -5 + 96x + -96x + -16x2 + 16x2

Combine like terms: 5 + -5 = 0
-5 + -96x + 16x2 = 0 + 96x + -96x + -16x2 + 16x2
-5 + -96x + 16x2 = 96x + -96x + -16x2 + 16x2

Combine like terms: 96x + -96x = 0
-5 + -96x + 16x2 = 0 + -16x2 + 16x2
-5 + -96x + 16x2 = -16x2 + 16x2

Combine like terms: -16x2 + 16x2 = 0
-5 + -96x + 16x2 = 0

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

Divide each side by '16'.
-0.3125 + -6x + x2 = 0

Move the constant term to the right:

Add '0.3125' to each side of the equation.
-0.3125 + -6x + 0.3125 + x2 = 0 + 0.3125

Reorder the terms:
-0.3125 + 0.3125 + -6x + x2 = 0 + 0.3125

Combine like terms: -0.3125 + 0.3125 = 0.0000
0.0000 + -6x + x2 = 0 + 0.3125
-6x + x2 = 0 + 0.3125

Combine like terms: 0 + 0.3125 = 0.3125
-6x + x2 = 0.3125

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 = 0.3125 + 9

Reorder the terms:
9 + -6x + x2 = 0.3125 + 9

Combine like terms: 0.3125 + 9 = 9.3125
9 + -6x + x2 = 9.3125

Factor a perfect square on the left side:
(x + -3)(x + -3) = 9.3125

Calculate the square root of the right side: 3.051638904

Break this problem into two subproblems by setting 
(x + -3) equal to 3.051638904 and -3.051638904.

Subproblem 1

x + -3 = 3.051638904 Simplifying x + -3 = 3.051638904 Reorder the terms: -3 + x = 3.051638904 Solving -3 + x = 3.051638904 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 = 3.051638904 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.051638904 + 3 x = 3.051638904 + 3 Combine like terms: 3.051638904 + 3 = 6.051638904 x = 6.051638904 Simplifying x = 6.051638904

Subproblem 2

x + -3 = -3.051638904 Simplifying x + -3 = -3.051638904 Reorder the terms: -3 + x = -3.051638904 Solving -3 + x = -3.051638904 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 = -3.051638904 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.051638904 + 3 x = -3.051638904 + 3 Combine like terms: -3.051638904 + 3 = -0.051638904 x = -0.051638904 Simplifying x = -0.051638904

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.051638904, -0.051638904}

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