w^2-18w+82=0

Simple and best practice solution for w^2-18w+82=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 w^2-18w+82=0 equation:


Simplifying
w2 + -18w + 82 = 0

Reorder the terms:
82 + -18w + w2 = 0

Solving
82 + -18w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '-82' to each side of the equation.
82 + -18w + -82 + w2 = 0 + -82

Reorder the terms:
82 + -82 + -18w + w2 = 0 + -82

Combine like terms: 82 + -82 = 0
0 + -18w + w2 = 0 + -82
-18w + w2 = 0 + -82

Combine like terms: 0 + -82 = -82
-18w + w2 = -82

The w term is -18w.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18w + 81 + w2 = -82 + 81

Reorder the terms:
81 + -18w + w2 = -82 + 81

Combine like terms: -82 + 81 = -1
81 + -18w + w2 = -1

Factor a perfect square on the left side:
(w + -9)(w + -9) = -1

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 8/15x=80 | | 5p=6855 | | -7a+b=40 | | 4+4(x+7)=3(2x+3)+13 | | -8x+88=-x-3 | | 9X-13=-94 | | 3x+7(-6-5x)=4 | | 8w=5520 | | -7a(3a-4)= | | 7a+3b=-20 | | 37-3x=9-3x | | x^2+10x-2y+3=0 | | x^2+10x-2y+0=0 | | x+82=-8x-2+3x | | [x-2]=1 | | -6x+3=-5x | | x-2/511/4 | | (3x+4)-(6x+1)= | | 4s-20=200 | | -2x-75=-8x-3 | | 12x+106=15x-2-12x | | -2(3x-4)+7x-6= | | 2+(4h-1)=11-2h | | ln*y=3t+2 | | -16=x^2+8x | | 2x+32-x=9+5x-5 | | 9x+1= | | 9(z+2)-3(z-4)=2(z-1)+3(z-4) | | 5x-4(6-3x)=10 | | y^2-x^2+32=0 | | 5x+29=-2x+8 | | 040x-.20(50+x)=-.04(50) |

Equations solver categories