30x^3=3x^2+9x

Simple and best practice solution for 30x^3=3x^2+9x 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=3x^2+9x equation:


Simplifying
30x3 = 3x2 + 9x

Reorder the terms:
30x3 = 9x + 3x2

Solving
30x3 = 9x + 3x2

Solving for variable 'x'.

Reorder the terms:
-9x + -3x2 + 30x3 = 9x + 3x2 + -9x + -3x2

Reorder the terms:
-9x + -3x2 + 30x3 = 9x + -9x + 3x2 + -3x2

Combine like terms: 9x + -9x = 0
-9x + -3x2 + 30x3 = 0 + 3x2 + -3x2
-9x + -3x2 + 30x3 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-9x + -3x2 + 30x3 = 0

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

Factor a trinomial.
3x((-1 + -2x)(3 + -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 '(3 + -5x)' equal to zero and attempt to solve: Simplifying 3 + -5x = 0 Solving 3 + -5x = 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 + -5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5x = 0 + -3 -5x = 0 + -3 Combine like terms: 0 + -3 = -3 -5x = -3 Divide each side by '-5'. x = 0.6 Simplifying x = 0.6

Solution

x = {0, -0.5, 0.6}

See similar equations:

| n-1=5(n-1) | | -6(7x+3)=-522 | | 2(5b+7)+3=31+4b | | 3x^2-27x-12=0 | | -585=5(10x+3) | | 15=(x-4) | | s+3.5+20=47 | | -h/6+1/4=_3/4+h/3 | | 2(1-8v)=-126 | | 2(2b+1)=2b | | 4+2=11 | | 6(-5x+10)=420 | | -7(3x+4)=140 | | s+3.50+20=42 | | -4x-9=-37 | | 6x+6=6x-7 | | 3x^5-45x=0 | | 6(4-6x)=-192 | | -7-2+-4= | | 5(7n+6)=310 | | 10x+4=10x-8 | | (8+y)(2y-7)=0 | | 3x^8= | | 5(-7x-14)=-455 | | -1(d-4)=13 | | -4(-6-4n)=-104 | | 90+45=n | | 6.5+r/7.5=8.9 | | 2a+26=3a+20 | | 21x^2+4x-1= | | 6+5-(4X+8)=186 | | 19+15bc-3bc+2= |

Equations solver categories