x*x-6*x-27=0

Simple and best practice solution for x*x-6*x-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 x*x-6*x-27=0 equation:


Simplifying
x * x + -6x + -27 = 0

Multiply x * x
x2 + -6x + -27 = 0

Reorder the terms:
-27 + -6x + x2 = 0

Solving
-27 + -6x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -1x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

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

Solution

x = {-3, 9}

See similar equations:

| x-(90/25)x=45 | | 5.25v+3=22.75 | | x-90/25x | | 5.25v+7=22.75 | | v-9=-18 | | 20*3X=42 | | 50q+0.1t-0.3t+14q= | | r/2=-9 | | -5v=45 | | 14to-12=-68 | | v/10=-7 | | 20-15x= | | 71b-4a-4b-4a= | | 35x=155-15 | | 5w^2+12+8=0 | | 3/4x-4=2 | | y*y=-11y | | 155+35x= | | G(-4)=ax^2+24 | | yx*y=-11y | | x^2+2px+c=0 | | .2(20)+5=19-.5(20) | | 5x-y=.25 | | 5(x+1)=2(3-2x)+17 | | 2x^2+7-15x=0 | | 2x^2+7-15x=O | | 6+v=0 | | 9+4w-5=24 | | -5-n=1 | | 18.50+3.50g=32.50 | | 4(2x+3)-7=-2 | | X^2+4x-25=O |

Equations solver categories