X^2-6x-66=9

Simple and best practice solution for X^2-6x-66=9 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^2-6x-66=9 equation:


Simplifying
X2 + -6x + -66 = 9

Reorder the terms:
-66 + X2 + -6x = 9

Solving
-66 + X2 + -6x = 9

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '66' to each side of the equation.
-66 + X2 + 66 + -6x = 9 + 66

Reorder the terms:
-66 + 66 + X2 + -6x = 9 + 66

Combine like terms: -66 + 66 = 0
0 + X2 + -6x = 9 + 66
X2 + -6x = 9 + 66

Combine like terms: 9 + 66 = 75
X2 + -6x = 75

Add '6x' to each side of the equation.
X2 + -6x + 6x = 75 + 6x

Combine like terms: -6x + 6x = 0
X2 + 0 = 75 + 6x
X2 = 75 + 6x

Simplifying
X2 = 75 + 6x

Reorder the terms:
-75 + X2 + -6x = 75 + 6x + -75 + -6x

Reorder the terms:
-75 + X2 + -6x = 75 + -75 + 6x + -6x

Combine like terms: 75 + -75 = 0
-75 + X2 + -6x = 0 + 6x + -6x
-75 + X2 + -6x = 6x + -6x

Combine like terms: 6x + -6x = 0
-75 + X2 + -6x = 0

The solution to this equation could not be determined.

See similar equations:

| 8/11•-3/4 | | 12-8x=14-8x | | 8/x-7=5/7 | | 88=2u+2n | | 20x+-25=4x-1 | | 6x+50=2100 | | -6+6k=42 | | x/6=90 | | 1/3x-54=2x-9 | | -5n-4(-7-4n)=36+7ni | | y+20=-5 | | (4x+7)=(6-63) | | y-0.15y= | | 3x+5+4x=82 | | 7b^2+2b-3=0 | | 0.6(6x+12)=1.4-(x+2) | | 6+5x-1(3)=10 | | .10x+x-12(.25)=11 | | 1/6(3x-135)=5x | | .10x+-3x=11 | | -.2+30=-2x+3 | | 15d-(-62)=947 | | X/-9=16 | | 64+x=228-3x | | 9+8q=12+7u | | .02x=10 | | 9j(6k^2-2k+13j)= | | 10x*2+4x+12=0 | | 5+5a=6a-7 | | 105-2k=73 | | 13(x-4)=7x-10 | | 5s=4s+10 |

Equations solver categories