-3x^2+18x+165=0

Simple and best practice solution for -3x^2+18x+165=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+18x+165=0 equation:


Simplifying
-3x2 + 18x + 165 = 0

Reorder the terms:
165 + 18x + -3x2 = 0

Solving
165 + 18x + -3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(55 + 6x + -1x2) = 0

Factor a trinomial.
3((11 + -1x)(5 + x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {11, -5}

See similar equations:

| x-0.6=8.86 | | x*x-4=96 | | 110=360+x | | 360=110+x | | 2(5z-1)-5(z+4)=3(z+1) | | 110=90+x | | an=6n+9 | | x(2x-4)=(2x+5)(x-2) | | 5t=2 | | 56x^2+17x-3=0 | | X+80=15 | | 2(6z-1)-5(z+2)=2(z+1) | | 9+2n=9n+2 | | 6x+5(2x-6)=-10-4x | | -(5y+1)-(-4y-6)=-1 | | 1(5y+1)-(-4y-6)=-1 | | =24x^2-36x-24 | | 5y+5=6+3y | | 6x^3-23x^2-4x=0 | | (8x-1)(8x-1)=-49 | | (x+9)(x+9)=25 | | (x+9)(x+9)=24 | | 8(x-2)-5(x+4)=-20+x | | 5z^2-105=0 | | 2(3z+4)=2(3z-2)+13 | | x+13=-26 | | 3x-4y=-3 | | 3x+5=197 | | 16(3x-3)=4(12x+8) | | 3(a+2)=2(a+7) | | 4(y+2)=1-2(y+4) | | 0.6x=2 |

Equations solver categories