9x^3+42x^2-15x=0

Simple and best practice solution for 9x^3+42x^2-15x=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 9x^3+42x^2-15x=0 equation:


Simplifying
9x3 + 42x2 + -15x = 0

Reorder the terms:
-15x + 42x2 + 9x3 = 0

Solving
-15x + 42x2 + 9x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-5 + 14x + 3x2) = 0

Factor a trinomial.
3x((-5 + -1x)(1 + -3x)) = 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 '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Solution

x = {0, -5, 0.3333333333}

See similar equations:

| 14/8=n/4 | | 13-9b=-6b-17 | | 11n=12n-18 | | 7k+10=9k | | 9/x+3-5/x-3=5x/x^2-9 | | (5k-6)/4=-5 | | -1-2f=6-f | | 10+8u-1=10u-7 | | Cos(37=11/x | | 5(3p+1)=50 | | 80x^2+52x+8=0 | | 9x+2/7x=6/7-4/x | | 3(3a+9)=0 | | 9x-.2y=4 | | -7x-6-7x=-118 | | 14-.5y=x | | 4/100=x/(4178.891+x) | | 5x^2-75x+50=0 | | −7/8−1/2s=−1/4 | | -3y+27=-15x | | 10-2*7+4= | | 5x3/2+(-9/4) | | 1/6|1/3(x-2/5)|=5/6(x+1/4) | | −7/8−1/2s=-14 | | 1/6[1/3(x-2/5)]=5/6(x+1/4) | | 9a^2+11x+4=0 | | 1/3x+1/4x=3/4x+1/3 | | 4p-5+2p=-17 | | -24=-9q+3 | | 0=t^2-6t-7 | | 7n+7=28 | | 1/2a+1/3a=-15 |

Equations solver categories