w^2-18w+81=

Simple and best practice solution for w^2-18w+81= 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= 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 + -1w)(9 + -1w) = 0

Subproblem 1

Set the factor '(9 + -1w)' equal to zero and attempt to solve: Simplifying 9 + -1w = 0 Solving 9 + -1w = 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 + -1w = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1w = 0 + -9 -1w = 0 + -9 Combine like terms: 0 + -9 = -9 -1w = -9 Divide each side by '-1'. w = 9 Simplifying w = 9

Subproblem 2

Set the factor '(9 + -1w)' equal to zero and attempt to solve: Simplifying 9 + -1w = 0 Solving 9 + -1w = 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 + -1w = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1w = 0 + -9 -1w = 0 + -9 Combine like terms: 0 + -9 = -9 -1w = -9 Divide each side by '-1'. w = 9 Simplifying w = 9

Solution

w = {9, 9}

See similar equations:

| 9.5x+26.98=-10.5x+26.24 | | x+25=2x-115 | | a^2-3a-18= | | 10.6x+84.62=9.4x+82.84 | | 5(2z-1)-4(z+6)=2(z+1) | | a+3a-18= | | 64v-81= | | 3x^2-26x=-2x^2-5x-4 | | 4x^4+4x^3+5x^2+4x+1=0 | | 5+9(x-7)=5-7(x-8) | | x(0.02)=1720 | | 66=r(22) | | -4(2n+1)=16 | | -27=4x-4 | | 15.00(x+17.00)=555 | | n=-98.85+0.05x | | -27=3x-8 | | n=0.05x-98.85 | | 6.8x-1.6=18.8 | | 5x-12=3x+7 | | 6.8-1.6=18.8 | | 7ln(5x)=14 | | -6b+3+4b=3b+5 | | 144x^2-81y^2= | | -6(t-8)-(t+6)=6 | | (x-1)(x-4)=0 | | delta=b^2-4ac | | y=20-39x | | 2-(5x+4)=3x-10 | | Y-5=-y+5 | | 2x^3-4x^2=0 | | 5x^3+4x^2-12x=0 |

Equations solver categories