x^2-18x+81=25

Simple and best practice solution for x^2-18x+81=25 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^2-18x+81=25 equation:


Simplifying
x2 + -18x + 81 = 25

Reorder the terms:
81 + -18x + x2 = 25

Solving
81 + -18x + x2 = 25

Solving for variable 'x'.

Reorder the terms:
81 + -25 + -18x + x2 = 25 + -25

Combine like terms: 81 + -25 = 56
56 + -18x + x2 = 25 + -25

Combine like terms: 25 + -25 = 0
56 + -18x + x2 = 0

Factor a trinomial.
(4 + -1x)(14 + -1x) = 0

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(14 + -1x)' equal to zero and attempt to solve: Simplifying 14 + -1x = 0 Solving 14 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1x = 0 + -14 -1x = 0 + -14 Combine like terms: 0 + -14 = -14 -1x = -14 Divide each side by '-1'. x = 14 Simplifying x = 14

Solution

x = {4, 14}

See similar equations:

| 6x-7/5=-5 | | 46+(-2(3))= | | -3(w-5)+8w+2= | | -1(-1.5)+8.5= | | 2/3+1/4-4/7 | | n-29=-35 | | (x-9)(7x+1)=0 | | 5y^2+15y+4=2y+10 | | x+1/5=-2/15 | | P-14=17 | | 7-2/5+x=364/5 | | -(5.3)+8.5= | | -9n-7+3n= | | 11/6k=1/14-13/15 | | -n-7+3n= | | 3x/4-x/3+5=5x/6 | | -(-1.5)+8.5= | | 3x^2-12x-6=0 | | 2n+8-n=20 | | 3x^2+8ix+3=0 | | x^6-256x^2= | | a-225=0 | | 2t^2+4t=1 | | 5(-5-3/4y)=-65/2 | | (-12)+8.5= | | 15.36=6u | | 4(3x-3)-5(x+4)=-4 | | 2x+9/3=8-3x | | 64-9(-3)= | | 5x-2/3=x/4 | | z+6/8=z-6/7 | | 12t^2/5+13t^1/5+3=0 |

Equations solver categories