x^2-16x+22=0

Simple and best practice solution for x^2-16x+22=0 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+22=0 equation:


Simplifying
x2 + -16x + 22 = 0

Reorder the terms:
22 + -16x + x2 = 0

Solving
22 + -16x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + -16x + -22 + x2 = 0 + -22

Reorder the terms:
22 + -22 + -16x + x2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -16x + x2 = 0 + -22
-16x + x2 = 0 + -22

Combine like terms: 0 + -22 = -22
-16x + x2 = -22

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 = -22 + 64

Reorder the terms:
64 + -16x + x2 = -22 + 64

Combine like terms: -22 + 64 = 42
64 + -16x + x2 = 42

Factor a perfect square on the left side:
(x + -8)(x + -8) = 42

Calculate the square root of the right side: 6.480740698

Break this problem into two subproblems by setting 
(x + -8) equal to 6.480740698 and -6.480740698.

Subproblem 1

x + -8 = 6.480740698 Simplifying x + -8 = 6.480740698 Reorder the terms: -8 + x = 6.480740698 Solving -8 + x = 6.480740698 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 = 6.480740698 + 8 Combine like terms: -8 + 8 = 0 0 + x = 6.480740698 + 8 x = 6.480740698 + 8 Combine like terms: 6.480740698 + 8 = 14.480740698 x = 14.480740698 Simplifying x = 14.480740698

Subproblem 2

x + -8 = -6.480740698 Simplifying x + -8 = -6.480740698 Reorder the terms: -8 + x = -6.480740698 Solving -8 + x = -6.480740698 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 = -6.480740698 + 8 Combine like terms: -8 + 8 = 0 0 + x = -6.480740698 + 8 x = -6.480740698 + 8 Combine like terms: -6.480740698 + 8 = 1.519259302 x = 1.519259302 Simplifying x = 1.519259302

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.480740698, 1.519259302}

See similar equations:

| 121x^2+22x+x=0 | | (3v^4+8)-(8-v^4)= | | x+55=10 | | -5u+35=3(u-9) | | 2n(2-4)= | | 5+m=-6 | | 8x+5=3x+5 | | 3=b+6+2b | | 4.1x+1.1=8.3-x | | x-(x-3)+2=7(2x+4)-19 | | 15+7timesx=99 | | 4x^2-24x=8 | | 8y-2y-3=3 | | 5(2x+4)=12x+28 | | x=3[-2x+9]+8 | | 5(1+5n)=-95 | | 3(x+8)=2(4x+17) | | 2z+-3=-2.68 | | 121x^2+22x=0 | | x^2+3x-2=ab | | -x^2+1x-20=0 | | 3(3m+4)=-24 | | 3(6-x)+7x=x-7 | | 2(6x+4)=7x | | 22x-5.2x+4=0 | | X=x-12 | | 4m(m+2)= | | 6d=1(d+6) | | -x^2+x-20=0 | | 91=-7(1+2p) | | 3+11=n | | 3(3m+4)=24 |

Equations solver categories