0=4x^3+36x^2+81x

Simple and best practice solution for 0=4x^3+36x^2+81x 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 0=4x^3+36x^2+81x equation:


Simplifying
0 = 4x3 + 36x2 + 81x

Reorder the terms:
0 = 81x + 36x2 + 4x3

Solving
0 = 81x + 36x2 + 4x3

Solving for variable 'x'.
Remove the zero:
-81x + -36x2 + -4x3 = 81x + 36x2 + 4x3 + -81x + -36x2 + -4x3

Reorder the terms:
-81x + -36x2 + -4x3 = 81x + -81x + 36x2 + -36x2 + 4x3 + -4x3

Combine like terms: 81x + -81x = 0
-81x + -36x2 + -4x3 = 0 + 36x2 + -36x2 + 4x3 + -4x3
-81x + -36x2 + -4x3 = 36x2 + -36x2 + 4x3 + -4x3

Combine like terms: 36x2 + -36x2 = 0
-81x + -36x2 + -4x3 = 0 + 4x3 + -4x3
-81x + -36x2 + -4x3 = 4x3 + -4x3

Combine like terms: 4x3 + -4x3 = 0
-81x + -36x2 + -4x3 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(81 + 36x + 4x2) = 0

Factor a trinomial.
-1x((9 + 2x)(9 + 2x)) = 0

Ignore the factor -1.

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 '(9 + 2x)' equal to zero and attempt to solve: Simplifying 9 + 2x = 0 Solving 9 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2x = 0 + -9 2x = 0 + -9 Combine like terms: 0 + -9 = -9 2x = -9 Divide each side by '2'. x = -4.5 Simplifying x = -4.5

Subproblem 3

Set the factor '(9 + 2x)' equal to zero and attempt to solve: Simplifying 9 + 2x = 0 Solving 9 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2x = 0 + -9 2x = 0 + -9 Combine like terms: 0 + -9 = -9 2x = -9 Divide each side by '2'. x = -4.5 Simplifying x = -4.5

Solution

x = {0, -4.5, -4.5}

See similar equations:

| (7x10^4)X/3=4x10^2 | | z-(-9)=17 | | -5(1-5x)+5-(8x-2)=-4x-8x | | 3/2=1158n | | 3(x-5)-4=-55 | | (1)/(9x^4) | | =-2.9 | | -3x+4y+3=0 | | 6x^2-14x-4= | | .03t=.06+0.9t | | 6x^2-4= | | X-4+6x=3+x | | 9.5/7=8/x | | 6(1-5x)= | | 19x/7=57/49 | | Ln(x^4)=4 | | 3y+8=-13 | | 9y+2(y-11)=4y-6(y-5) | | 2xy=4x | | (x-9)(9x^2-2x+7)= | | -2y-11=-12 | | 6(x+8)=7(x-1) | | 2X+24=X+16 | | 10(1-5x)=54 | | 10+2z=8(z-1) | | 1/2x1=5 | | (2x+1)+(3x-10)=4x | | 35-2r=-5r+26 | | 3x-x+7=-15 | | 13x-xy=17 | | -6x(6x-2)= | | -3(2c-3)+2c=29 |

Equations solver categories