16x+9+x^2=40000

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Solution for 16x+9+x^2=40000 equation:


Simplifying
16x + 9 + x2 = 40000

Reorder the terms:
9 + 16x + x2 = 40000

Solving
9 + 16x + x2 = 40000

Solving for variable 'x'.

Reorder the terms:
9 + -40000 + 16x + x2 = 40000 + -40000

Combine like terms: 9 + -40000 = -39991
-39991 + 16x + x2 = 40000 + -40000

Combine like terms: 40000 + -40000 = 0
-39991 + 16x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '39991' to each side of the equation.
-39991 + 16x + 39991 + x2 = 0 + 39991

Reorder the terms:
-39991 + 39991 + 16x + x2 = 0 + 39991

Combine like terms: -39991 + 39991 = 0
0 + 16x + x2 = 0 + 39991
16x + x2 = 0 + 39991

Combine like terms: 0 + 39991 = 39991
16x + x2 = 39991

The x term is 16x.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16x + 64 + x2 = 39991 + 64

Reorder the terms:
64 + 16x + x2 = 39991 + 64

Combine like terms: 39991 + 64 = 40055
64 + 16x + x2 = 40055

Factor a perfect square on the left side:
(x + 8)(x + 8) = 40055

Calculate the square root of the right side: 200.137452767

Break this problem into two subproblems by setting 
(x + 8) equal to 200.137452767 and -200.137452767.

Subproblem 1

x + 8 = 200.137452767 Simplifying x + 8 = 200.137452767 Reorder the terms: 8 + x = 200.137452767 Solving 8 + x = 200.137452767 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 200.137452767 + -8 Combine like terms: 8 + -8 = 0 0 + x = 200.137452767 + -8 x = 200.137452767 + -8 Combine like terms: 200.137452767 + -8 = 192.137452767 x = 192.137452767 Simplifying x = 192.137452767

Subproblem 2

x + 8 = -200.137452767 Simplifying x + 8 = -200.137452767 Reorder the terms: 8 + x = -200.137452767 Solving 8 + x = -200.137452767 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = -200.137452767 + -8 Combine like terms: 8 + -8 = 0 0 + x = -200.137452767 + -8 x = -200.137452767 + -8 Combine like terms: -200.137452767 + -8 = -208.137452767 x = -208.137452767 Simplifying x = -208.137452767

Solution

The solution to the problem is based on the solutions from the subproblems. x = {192.137452767, -208.137452767}

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