5x^3+47x^2+84x=0

Simple and best practice solution for 5x^3+47x^2+84x=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 5x^3+47x^2+84x=0 equation:


Simplifying
5x3 + 47x2 + 84x = 0

Reorder the terms:
84x + 47x2 + 5x3 = 0

Solving
84x + 47x2 + 5x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(84 + 47x + 5x2) = 0

Factor a trinomial.
x((7 + x)(12 + 5x)) = 0

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 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 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 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Subproblem 3

Set the factor '(12 + 5x)' equal to zero and attempt to solve: Simplifying 12 + 5x = 0 Solving 12 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + 5x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + 5x = 0 + -12 5x = 0 + -12 Combine like terms: 0 + -12 = -12 5x = -12 Divide each side by '5'. x = -2.4 Simplifying x = -2.4

Solution

x = {0, -7, -2.4}

See similar equations:

| p^2+19p+18= | | X^2-6x-8y+49=0 | | -2(7a-7)+3a=35-8a | | Y=a(x+6)(x-2) | | -30+3p=-2p+5(3p+6) | | 5x-5=3x-11 | | 0=-16t^2+30t-15.5 | | 0=4-x^2 | | 7*x-3.2=8.4 | | H+17=57 | | -8+14=42 | | 28c+11=c+8 | | 4x-24=8+x | | f+5=-5 | | 6=120-15x | | 9-3t^2=0 | | 0=-16t^2+35t-.5 | | 37+37+x=180 | | 5(d+7)=52 | | 3x+24=20-x | | 3(5y-7)+6=47 | | 5+4f=11 | | 5p+28=88p | | 6.608=0.78w | | (14t^3u/3rs^3)/(7t^4u^4/9s^4) | | 2=y+4x-15 | | 3x-2=5(x+4) | | 3^2x-1=1/27 | | 28=y-6 | | 19x+38=11x+22 | | C(x)=200+10x+0.1x^2+0.002x^3 | | Y-4/3x=2.5 |

Equations solver categories