a^2+81-18a=

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


Simplifying
a2 + 81 + -18a = 0

Reorder the terms:
81 + -18a + a2 = 0

Solving
81 + -18a + a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(9 + -1a)(9 + -1a) = 0

Subproblem 1

Set the factor '(9 + -1a)' equal to zero and attempt to solve: Simplifying 9 + -1a = 0 Solving 9 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1a = 0 + -9 -1a = 0 + -9 Combine like terms: 0 + -9 = -9 -1a = -9 Divide each side by '-1'. a = 9 Simplifying a = 9

Subproblem 2

Set the factor '(9 + -1a)' equal to zero and attempt to solve: Simplifying 9 + -1a = 0 Solving 9 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1a = 0 + -9 -1a = 0 + -9 Combine like terms: 0 + -9 = -9 -1a = -9 Divide each side by '-1'. a = 9 Simplifying a = 9

Solution

a = {9, 9}

See similar equations:

| b-29=-55 | | X^3*2X^2-16X-32=0 | | s^2+16-8s= | | -40=-16-x | | 4v^2-196= | | 138=v/22+141 | | 15=a/7 | | 9n--60=555 | | 3.54=-2b+10 | | n/9=10/9 | | -(50)(x-10)(4.18)=(50)(x-90)(.45) | | -5.3+3b=-5.93 | | 3-3y=-1.8 | | 24y=20y | | 3.7=y/2--3.6 | | 3.2=8.8-2w | | 4t--4.2=15.48 | | 3G-5.66=3.16 | | 875=10n-105 | | (x+4)2=31 | | -1.89=2h+.11 | | 4h--6.08=12.88 | | v/3+8=9.88 | | z/3-17.5=-13.66 | | 12-(154+74)=64 | | 50(x-10)(4.18)=50(x-90)(.45) | | g/2-1.6=1.4 | | 22c+45=859 | | k/24+352=343 | | p/23+174=186 | | 3y-5=30 | | -910=s/29-934 |

Equations solver categories