3(x^2+9)-6=0

Simple and best practice solution for 3(x^2+9)-6=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 3(x^2+9)-6=0 equation:


Simplifying
3(x2 + 9) + -6 = 0

Reorder the terms:
3(9 + x2) + -6 = 0
(9 * 3 + x2 * 3) + -6 = 0
(27 + 3x2) + -6 = 0

Reorder the terms:
27 + -6 + 3x2 = 0

Combine like terms: 27 + -6 = 21
21 + 3x2 = 0

Solving
21 + 3x2 = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 3x2 = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 3x2 = 0 + -21
3x2 = 0 + -21

Combine like terms: 0 + -21 = -21
3x2 = -21

Divide each side by '3'.
x2 = -7

Simplifying
x2 = -7

Reorder the terms:
7 + x2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| Y=1.5tans | | 20x+11+25x-14=180 | | 16x+16x=48 | | (x+4)-x=(x-1) | | 10-5=15 | | 8(2a+4)=9(3a-5) | | 5(z-4)=-10 | | 3y+8=y+20 | | x+1=x-20 | | 2(z-1)=0 | | 18-(x-4)=9+(x-3) | | 1.60000/8000= | | 8(z-1)=32 | | (x+3)+(x+2)=6 | | 4.600*5.30= | | -8+9y+7-4y= | | 560-13m=360 | | 8(x-9)=8 | | 2u-v/4u^2-v^2 | | (0.007)3= | | 34.32=4.4n | | 5x^2+8=508 | | 2x-10=22x-120 | | (x+10)-(x-1)=12 | | 6k+9=k+4 | | 12x+40=28 | | 2(y-6)=6 | | (x+9)*(x+8)=0 | | (3x^2+5x)+(-2x^2-8x)= | | 9(z-5)=-36 | | 3-4x+2=3 | | (x+3)+x=4 |

Equations solver categories