x^2-20x+100=32

Simple and best practice solution for x^2-20x+100=32 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^2-20x+100=32 equation:


Simplifying
x2 + -20x + 100 = 32

Reorder the terms:
100 + -20x + x2 = 32

Solving
100 + -20x + x2 = 32

Solving for variable 'x'.

Reorder the terms:
100 + -32 + -20x + x2 = 32 + -32

Combine like terms: 100 + -32 = 68
68 + -20x + x2 = 32 + -32

Combine like terms: 32 + -32 = 0
68 + -20x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-68' to each side of the equation.
68 + -20x + -68 + x2 = 0 + -68

Reorder the terms:
68 + -68 + -20x + x2 = 0 + -68

Combine like terms: 68 + -68 = 0
0 + -20x + x2 = 0 + -68
-20x + x2 = 0 + -68

Combine like terms: 0 + -68 = -68
-20x + x2 = -68

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = -68 + 100

Reorder the terms:
100 + -20x + x2 = -68 + 100

Combine like terms: -68 + 100 = 32
100 + -20x + x2 = 32

Factor a perfect square on the left side:
(x + -10)(x + -10) = 32

Calculate the square root of the right side: 5.656854249

Break this problem into two subproblems by setting 
(x + -10) equal to 5.656854249 and -5.656854249.

Subproblem 1

x + -10 = 5.656854249 Simplifying x + -10 = 5.656854249 Reorder the terms: -10 + x = 5.656854249 Solving -10 + x = 5.656854249 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 5.656854249 + 10 Combine like terms: -10 + 10 = 0 0 + x = 5.656854249 + 10 x = 5.656854249 + 10 Combine like terms: 5.656854249 + 10 = 15.656854249 x = 15.656854249 Simplifying x = 15.656854249

Subproblem 2

x + -10 = -5.656854249 Simplifying x + -10 = -5.656854249 Reorder the terms: -10 + x = -5.656854249 Solving -10 + x = -5.656854249 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -5.656854249 + 10 Combine like terms: -10 + 10 = 0 0 + x = -5.656854249 + 10 x = -5.656854249 + 10 Combine like terms: -5.656854249 + 10 = 4.343145751 x = 4.343145751 Simplifying x = 4.343145751

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.656854249, 4.343145751}

See similar equations:

| 3(2b+1)=9 | | 1x+83=92 | | -38-9x=22-4x | | 0.70x+.05(10-x)=.10(-112) | | 9(2w-1)=27 | | 19.1213+19.28-3.496z-49.2-7.33z= | | (4a-7)(3a-8)=0 | | 15/45=x/3 | | 3(5x-1)-14x=3 | | -3x-105=-10x+49 | | f(8)=12 | | 3=-2x+9 | | 5/9d+83=4/9d+92 | | 4x-3(7-x)+2= | | -1.6x^2-3.2x=-18 | | 14-4x=2x+2 | | (15x^4+16x^3-8x)(3x^5+4)= | | X^2-X+XY-Y=0 | | 7(n+2)=-7 | | (-3x+4)+(4x-2)= | | -105-x=7x+47 | | 2b+10=8b-14 | | 3(x+3)-9= | | 20x^2-21x-54=0 | | 5X^4-15X^3+10X^2=0 | | 6.4i+9.2i=50.7 | | 4(4k+1)-8(k-2)=3(2k+4)-2 | | 5x-3=x^2+4x-5 | | (4x-3)-(9x+4)= | | -158-10x=108+9x | | x+1=-74 | | -42-4x=-10x+48 |

Equations solver categories