30x^3+117x^2+42x=0

Simple and best practice solution for 30x^3+117x^2+42x=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+117x^2+42x=0 equation:


Simplifying
30x3 + 117x2 + 42x = 0

Reorder the terms:
42x + 117x2 + 30x3 = 0

Solving
42x + 117x2 + 30x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(14 + 39x + 10x2) = 0

Factor a trinomial.
3x((7 + 2x)(2 + 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 '(7 + 2x)' equal to zero and attempt to solve: Simplifying 7 + 2x = 0 Solving 7 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2x = 0 + -7 2x = 0 + -7 Combine like terms: 0 + -7 = -7 2x = -7 Divide each side by '2'. x = -3.5 Simplifying x = -3.5

Subproblem 3

Set the factor '(2 + 5x)' equal to zero and attempt to solve: Simplifying 2 + 5x = 0 Solving 2 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5x = 0 + -2 5x = 0 + -2 Combine like terms: 0 + -2 = -2 5x = -2 Divide each side by '5'. x = -0.4 Simplifying x = -0.4

Solution

x = {0, -3.5, -0.4}

See similar equations:

| 9x^5-45x^3= | | 2(3x+5y)=20 | | 0.6a+6=0.75a | | 4+(-36)= | | x-7-9x=5 | | 7w+16+4w=27 | | 5(x+y)=20+3x | | -4x+2-7x=15 | | B-17=40 | | 7-3(x+4)=4x-2(x-5) | | 3r+18=6r | | 6x^2-x-1=0 | | 4(2x+4y)=12 | | 2x+9-7x=12 | | 3+8v-9v=21 | | 10+6p=-8 | | 7x^2-3x-4=0 | | 6x-3+3x=17 | | 4x+2y= | | 5+2d=8+15d | | .2x+10=-15 | | 7p+25=12p | | -9x+3+x=35 | | (4)+(-36)= | | -3(x+3y)=18 | | 0.9x=8+0.4x | | 4x-6=x-1 | | 21h=63 | | x+7+3x=20 | | 21h=23 | | 18x+6=3(2+6x) | | 15u-20=-6 |

Equations solver categories