x^2-16x+3=

Simple and best practice solution for x^2-16x+3= 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 x^2-16x+3= equation:


Simplifying
x2 + -16x + 3 = 0

Reorder the terms:
3 + -16x + x2 = 0

Solving
3 + -16x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -16x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + -16x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -16x + x2 = 0 + -3
-16x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-16x + x2 = -3

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 = -3 + 64

Reorder the terms:
64 + -16x + x2 = -3 + 64

Combine like terms: -3 + 64 = 61
64 + -16x + x2 = 61

Factor a perfect square on the left side:
(x + -8)(x + -8) = 61

Calculate the square root of the right side: 7.810249676

Break this problem into two subproblems by setting 
(x + -8) equal to 7.810249676 and -7.810249676.

Subproblem 1

x + -8 = 7.810249676 Simplifying x + -8 = 7.810249676 Reorder the terms: -8 + x = 7.810249676 Solving -8 + x = 7.810249676 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 = 7.810249676 + 8 Combine like terms: -8 + 8 = 0 0 + x = 7.810249676 + 8 x = 7.810249676 + 8 Combine like terms: 7.810249676 + 8 = 15.810249676 x = 15.810249676 Simplifying x = 15.810249676

Subproblem 2

x + -8 = -7.810249676 Simplifying x + -8 = -7.810249676 Reorder the terms: -8 + x = -7.810249676 Solving -8 + x = -7.810249676 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 = -7.810249676 + 8 Combine like terms: -8 + 8 = 0 0 + x = -7.810249676 + 8 x = -7.810249676 + 8 Combine like terms: -7.810249676 + 8 = 0.189750324 x = 0.189750324 Simplifying x = 0.189750324

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.810249676, 0.189750324}

See similar equations:

| 1/2x=2y-15 | | 7(4x+12)=6(-9x-5) | | 4x^2+24x-36= | | 2y+12=x-5 | | p+3=0 | | f(x)=x^2-10x-10 | | 11x^2+4x+1=0 | | 7x^2+41=6 | | 12y+6=42 | | -3z+9z=3z-2-2z | | (x+5)(x-5)=-9 | | 3b-11+b+4=ST | | x-5=2y-15 | | 5y^2+4=2(y+2) | | 2(7x+5)=4(9x-3) | | 2y-9=90 | | 8r^2-10y=0 | | (5r-9)(-r+7)=0 | | 4c+5d-2c+3d= | | 20y^2-27y=14 | | -11(3/2)(.12(-12)) | | 1/4x=12=0 | | x-42=39 | | 2x+5x-3= | | 1/8d-43/8d-4=5 | | 9(7x+6)=4(6x-10) | | 6/14=x/21=x/28 | | -29-(-12)=x/7 | | 9y-7=3y+2 | | X^2+18x-182=0 | | 3x/4=33 | | 6x^2-30x+44=0 |

Equations solver categories