a^2+9a-36=

Simple and best practice solution for a^2+9a-36= 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+9a-36= equation:


Simplifying
a2 + 9a + -36 = 0

Reorder the terms:
-36 + 9a + a2 = 0

Solving
-36 + 9a + a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-12 + -1a)(3 + -1a) = 0

Subproblem 1

Set the factor '(-12 + -1a)' equal to zero and attempt to solve: Simplifying -12 + -1a = 0 Solving -12 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1a = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1a = 0 + 12 -1a = 0 + 12 Combine like terms: 0 + 12 = 12 -1a = 12 Divide each side by '-1'. a = -12 Simplifying a = -12

Subproblem 2

Set the factor '(3 + -1a)' equal to zero and attempt to solve: Simplifying 3 + -1a = 0 Solving 3 + -1a = 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 + -1a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1a = 0 + -3 -1a = 0 + -3 Combine like terms: 0 + -3 = -3 -1a = -3 Divide each side by '-1'. a = 3 Simplifying a = 3

Solution

a = {-12, 3}

See similar equations:

| -6=-2p+2 | | 10x(3x-4)=80 | | y^2+2y-3= | | 6x+x=1 | | 3+4x=49 | | 3+4+x=14 | | 2x=55-9x | | 4x^2-289= | | 7x+6=66-3x | | n^2+5n-36= | | [10-4x]=17 | | 4=6-a/9 | | 4=6- a/9 | | 11k-9k=24 | | x^2y^-6/x^-5y^3 | | -60=-7r+3 | | ln(x)-ln(6)=0 | | -22=-4n+2 | | y/4+8=5 | | m/5+11=5 | | a/6+7=9 | | 14x+20=5x+290 | | -7q+6=-8 | | 8m+5=53 | | 2x+1/4(1-x)=3 | | s^2-9s-22= | | (3x^2-12)*(x+3)=0 | | X^2+3x+14/x^2-x-16 | | s^2-10s-11= | | 211-7x=29x+23 | | a=74a-5 | | 2a+9a=88 |

Equations solver categories