6x^3+21x^2-45x=

Simple and best practice solution for 6x^3+21x^2-45x= 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 6x^3+21x^2-45x= equation:


Simplifying
6x3 + 21x2 + -45x = 0

Reorder the terms:
-45x + 21x2 + 6x3 = 0

Solving
-45x + 21x2 + 6x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-15 + 7x + 2x2) = 0

Factor a trinomial.
3x((-5 + -1x)(3 + -2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 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 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

Subproblem 3

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Solution

x = {0, -5, 1.5}

See similar equations:

| 64=4xf | | 3x+19*5=2 | | 2(y-6)=12 | | (w)(w+2)=40 | | 10x^4-9x^3= | | b+23.19=38.72 | | 3y+4=x+14 | | e^3x=87 | | 5(3a+2)=12a+11 | | 25+x^2=225 | | (5w)*(5w+18)=-81 | | 0=x^3+64 | | -8+6n=-50 | | 7xv=28 | | -8n-1=15 | | x+3.6=-7.1 | | 4x-12.5=3.8 | | F(x)=-16x(2)+64x | | 5m+1=1 | | s-4.70=4.75 | | 7j+2=9j-4 | | f(x)=25000(1*.20)x | | -11c= | | -5.8+3.2x+1x^2=0 | | 8+7n=15 | | 0=x^3+1 | | f(x)=5000000(1*.05)x | | 1.4n=9.52 | | 7n+8=-13 | | f(x)=821(1*.15)x | | -3t^2(4t^2+6t^4-7)=0 | | -5j=30 |

Equations solver categories