30x^3+21x^2+3x=0

Simple and best practice solution for 30x^3+21x^2+3x=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 30x^3+21x^2+3x=0 equation:


Simplifying
30x3 + 21x2 + 3x = 0

Reorder the terms:
3x + 21x2 + 30x3 = 0

Solving
3x + 21x2 + 30x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(1 + 7x + 10x2) = 0

Factor a trinomial.
3x((1 + 2x)(1 + 5x)) = 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 '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Subproblem 3

Set the factor '(1 + 5x)' equal to zero and attempt to solve: Simplifying 1 + 5x = 0 Solving 1 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5x = 0 + -1 5x = 0 + -1 Combine like terms: 0 + -1 = -1 5x = -1 Divide each side by '5'. x = -0.2 Simplifying x = -0.2

Solution

x = {0, -0.5, -0.2}

See similar equations:

| (-5x)+4=19 | | 5/6x+3=13 | | -2x^2+y^2= | | 12x^2+38x+16=0 | | 4(2d-1)-3(d+2)=-15 | | 6z+4-4z=3+z-2 | | 3/2x+2=11 | | 5x-3=6x-2 | | 2x^6-8=0 | | 4/7x-2=8 | | 5x-2/2x+7 | | m^2-4m=3 | | a+(a+6)=36 | | 1/4+4x5=11/20 | | (3w-7)(7w+4v-7)=0 | | W=hl+hw+lw | | m^2+4m-3=0 | | 4(m+6)=8m-10 | | 5x+2/3x | | -x+4x^3=0 | | (-7/3)+(1/3c)=-d | | -7/3+1/3c=-d | | 10p-6= | | 3x^2-27=3 | | 3x=6+x | | 3d-6=9(2-d) | | (242x)=7400(5.5) | | 14xy=16y | | 1/6(12x-6) | | 8x+3(4x-5)=15-5(6-4x) | | 5x+15x=415 | | 7400(5.5-x)=242 |

Equations solver categories