a^2+12*a+27=0

Simple and best practice solution for a^2+12*a+27=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 a^2+12*a+27=0 equation:


Simplifying
a2 + 12a + 27 = 0

Reorder the terms:
27 + 12a + a2 = 0

Solving
27 + 12a + a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(9 + a)(3 + a) = 0

Subproblem 1

Set the factor '(9 + a)' equal to zero and attempt to solve: Simplifying 9 + a = 0 Solving 9 + a = 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 + a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + a = 0 + -9 a = 0 + -9 Combine like terms: 0 + -9 = -9 a = -9 Simplifying a = -9

Subproblem 2

Set the factor '(3 + a)' equal to zero and attempt to solve: Simplifying 3 + a = 0 Solving 3 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + a = 0 + -3 a = 0 + -3 Combine like terms: 0 + -3 = -3 a = -3 Simplifying a = -3

Solution

a = {-9, -3}

See similar equations:

| -13-5t=-43 | | -13-5(3)= | | -13-5(2)= | | -21r+14=100 | | 5s+8-10= | | 7(x-5)=37 | | 33+3c=19+c | | 3m-12-40=m | | X-6X=20 | | -6-4t=-14 | | 3m-12-40= | | 6t-30=2t+10 | | -6-4(5)= | | 7(a-7)=-3(a+4) | | 11b-9r=m | | -6+20= | | 23-3x=4 | | -6+2t=8 | | -52=4(X-8)-2(X-5) | | 5.6-2a+1.4=4.5 | | 9x+6=6x+-8 | | 4t^2-4t+17=0 | | 0.3s-2=-2 | | 29x+37=28x+38 | | .4y^3+.6y^3-.3y^3= | | -15.00+2.00t=-11.00 | | y^2+4=0 | | 5r+3=2t+15 | | 5m-45=-27-4m | | 4x-8y-16=0 | | 18-4t=20 | | 54=-9x-6y |

Equations solver categories