3a^3+21a^2+36a=

Simple and best practice solution for 3a^3+21a^2+36a= 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 3a^3+21a^2+36a= equation:


Simplifying
3a3 + 21a2 + 36a = 0

Reorder the terms:
36a + 21a2 + 3a3 = 0

Solving
36a + 21a2 + 3a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '3a'.
3a(12 + 7a + a2) = 0

Factor a trinomial.
3a((4 + a)(3 + a)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0

Subproblem 2

Set the factor '(4 + a)' equal to zero and attempt to solve: Simplifying 4 + a = 0 Solving 4 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + a = 0 + -4 a = 0 + -4 Combine like terms: 0 + -4 = -4 a = -4 Simplifying a = -4

Subproblem 3

Set the factor '(3 + a)' equal to zero and attempt to solve: Simplifying 3 + a = 0 Solving 3 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + a = 0 + -3 a = 0 + -3 Combine like terms: 0 + -3 = -3 a = -3 Simplifying a = -3

Solution

a = {0, -4, -3}

See similar equations:

| 8x^2-64-72=0 | | -(x+2)=3(x-1) | | -(x+2)=(x-1) | | -4(z+4)+3z=0 | | -9x-9= | | 20x-60=-10x | | 20x-60=-10x | | P(x)=2x^3-x^2+4x-7 | | 4x+17=5x+11 | | 6x^2+4x^2y= | | 4x^3(x-3)-2x(x-3)= | | -12x-6x= | | 5+5x=1-5x | | -6+6n=42 | | -5+-6= | | 9+2(3x)=36 | | -3=-13-5x | | -4h+16=-16 | | 4x^2+8x=2 | | -24x-6x=-5 | | X+2.8=6.7 | | 2w^2-32=0 | | 187=4x+19 | | 87=4x+19 | | 21x+7y=28solvey | | 81x^4-1=0 | | 5[5x-4(5x+y)]= | | (7v-2)(3v-8)= | | x^2(z)=x^2(10y+6) | | -12x=3y-3 | | 2+15x=3(5x+4) | | -72+96x= |

Equations solver categories