-16x^2+66x+13=44

Simple and best practice solution for -16x^2+66x+13=44 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -16x^2+66x+13=44 equation:


Simplifying
-16x2 + 66x + 13 = 44

Reorder the terms:
13 + 66x + -16x2 = 44

Solving
13 + 66x + -16x2 = 44

Solving for variable 'x'.

Reorder the terms:
13 + -44 + 66x + -16x2 = 44 + -44

Combine like terms: 13 + -44 = -31
-31 + 66x + -16x2 = 44 + -44

Combine like terms: 44 + -44 = 0
-31 + 66x + -16x2 = 0

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

Divide each side by '-16'.
1.9375 + -4.125x + x2 = 0

Move the constant term to the right:

Add '-1.9375' to each side of the equation.
1.9375 + -4.125x + -1.9375 + x2 = 0 + -1.9375

Reorder the terms:
1.9375 + -1.9375 + -4.125x + x2 = 0 + -1.9375

Combine like terms: 1.9375 + -1.9375 = 0.0000
0.0000 + -4.125x + x2 = 0 + -1.9375
-4.125x + x2 = 0 + -1.9375

Combine like terms: 0 + -1.9375 = -1.9375
-4.125x + x2 = -1.9375

The x term is -4.125x.  Take half its coefficient (-2.0625).
Square it (4.25390625) and add it to both sides.

Add '4.25390625' to each side of the equation.
-4.125x + 4.25390625 + x2 = -1.9375 + 4.25390625

Reorder the terms:
4.25390625 + -4.125x + x2 = -1.9375 + 4.25390625

Combine like terms: -1.9375 + 4.25390625 = 2.31640625
4.25390625 + -4.125x + x2 = 2.31640625

Factor a perfect square on the left side:
(x + -2.0625)(x + -2.0625) = 2.31640625

Calculate the square root of the right side: 1.521974458

Break this problem into two subproblems by setting 
(x + -2.0625) equal to 1.521974458 and -1.521974458.

Subproblem 1

x + -2.0625 = 1.521974458 Simplifying x + -2.0625 = 1.521974458 Reorder the terms: -2.0625 + x = 1.521974458 Solving -2.0625 + x = 1.521974458 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.0625' to each side of the equation. -2.0625 + 2.0625 + x = 1.521974458 + 2.0625 Combine like terms: -2.0625 + 2.0625 = 0.0000 0.0000 + x = 1.521974458 + 2.0625 x = 1.521974458 + 2.0625 Combine like terms: 1.521974458 + 2.0625 = 3.584474458 x = 3.584474458 Simplifying x = 3.584474458

Subproblem 2

x + -2.0625 = -1.521974458 Simplifying x + -2.0625 = -1.521974458 Reorder the terms: -2.0625 + x = -1.521974458 Solving -2.0625 + x = -1.521974458 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.0625' to each side of the equation. -2.0625 + 2.0625 + x = -1.521974458 + 2.0625 Combine like terms: -2.0625 + 2.0625 = 0.0000 0.0000 + x = -1.521974458 + 2.0625 x = -1.521974458 + 2.0625 Combine like terms: -1.521974458 + 2.0625 = 0.540525542 x = 0.540525542 Simplifying x = 0.540525542

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.584474458, 0.540525542}

See similar equations:

| 5/4r-4r/13= | | 3y-6x-9=0 | | 685=24m+85 | | 52.50x+4.50x=525 | | b=a+2fora | | 3t-10=20 | | -0.2b-0.4=-2 | | T+20t+3t-17t+15t=14 | | 14-5t=-3t | | 4w=88 | | y=x^4-36x^2 | | 5r+6=12 | | 5/4r-4r/13 | | -3y-4= | | -5-7m=2m-41 | | 14x-10=31 | | 2n=3n+27 | | Y+2=-3(x-9) | | 50x-20=40x+30 | | (2x+3)=42 | | x+(6+x)=58 | | -17=3-5x | | n-9=-73 | | 18-9x=-12x-18 | | 12x+34=82 | | 27x=42.72 | | 10a-9a+5a=18 | | v=5-7777777777777777.8888888888888888888888888r | | w^2+30= | | X+43=9 | | 10x-2+3x-1=2x-1+25+5x | | x=46+6 |

Equations solver categories