w^2+18w+81=0

Simple and best practice solution for w^2+18w+81=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+81=0 equation:


Simplifying
w2 + 18w + 81 = 0

Reorder the terms:
81 + 18w + w2 = 0

Solving
81 + 18w + w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(9 + w)(9 + w) = 0

Subproblem 1

Set the factor '(9 + w)' equal to zero and attempt to solve: Simplifying 9 + w = 0 Solving 9 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + w = 0 + -9 Combine like terms: 9 + -9 = 0 0 + w = 0 + -9 w = 0 + -9 Combine like terms: 0 + -9 = -9 w = -9 Simplifying w = -9

Subproblem 2

Set the factor '(9 + w)' equal to zero and attempt to solve: Simplifying 9 + w = 0 Solving 9 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + w = 0 + -9 Combine like terms: 9 + -9 = 0 0 + w = 0 + -9 w = 0 + -9 Combine like terms: 0 + -9 = -9 w = -9 Simplifying w = -9

Solution

w = {-9, -9}

See similar equations:

| -7x-2(4x+11)=142 | | 810-a=729 | | 3c-20=8c | | 2b+2.6=13.2-8b | | -3+2=-13 | | 8x-56=7x-61 | | 11x-10= | | 10-2x=6x+2 | | 2x+4(2x+11)=144 | | 7=0.75(3+10k)-5k | | 5(2x+7)=15 | | 2=n+4-7 | | 3(2x-8)+4(x+3)= | | -8=-(5+6x)+9 | | 5x-45=-5 | | -12+8p=28 | | 2x-16=-24 | | 4(b-1)=2b+10 | | 3.4-5.9= | | 48=-3v-9 | | M^2+3m-20=0 | | -12=n-8 | | -2x-6x= | | -6(1-5w)=54 | | -5x+3(10x-8)=51 | | 3y+7y=42 | | 25m+74=23m+92 | | x^4-27x+70=0 | | 2(x+1)=7+3x-10 | | 7n=2n+50 | | 2y-5x+4=0 | | 6n=11n-55 |

Equations solver categories