3x^2+3x-216=0

Simple and best practice solution for 3x^2+3x-216=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 3x^2+3x-216=0 equation:


Simplifying
3x2 + 3x + -216 = 0

Reorder the terms:
-216 + 3x + 3x2 = 0

Solving
-216 + 3x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-72 + x + x2) = 0

Factor a trinomial.
3((-9 + -1x)(8 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-9, 8}

See similar equations:

| 0.19x-1.8=-0.736 | | 8485737569395858388= | | 3x-7=-3-(x+20)forx | | (4-2x^2)*(5x+2)*(3x-x^2)=0 | | 6x+225=2025 | | 5y^2+20y+25=5 | | 2(3s+6u)= | | 2In(3x)=10 | | 5x+3x-2x+9x-300+2x+400=23050 | | 1.3x=200 | | 5x+3x-2x+9x+2x=23050 | | 3x+9(310-x)=1950 | | 3.21x+2.64(14-x)=41.52 | | x+x-7+4+3x=57 | | (2x+16)+(30-x)+(4x-6)=180 | | 0.4[s+4]=4.8 | | 4[z+5]=-25 | | 15x+18=15x-18 | | 15*12.5= | | 6(x+6)=4(x+13) | | 3.5K(K)-K=45 | | x^2-2x^2-x-6=0 | | 4x-6=49-7x | | 2y-x=41 | | -4ab+3ax+ba-6ax= | | 2(7+x+3+x)=20+4x | | 24x=864 | | 7x-3(x-7)=2(x-4)+6 | | 7x-3(x-7)= | | 8+4(x-y)=2x+6 | | 9(x-2)-7(x+1)=-15 | | 6x-7-4x=x-5+2 |

Equations solver categories