x^3+4x^2-45x=0

Simple and best practice solution for x^3+4x^2-45x=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 x^3+4x^2-45x=0 equation:


Simplifying
x3 + 4x2 + -45x = 0

Reorder the terms:
-45x + 4x2 + x3 = 0

Solving
-45x + 4x2 + x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-45 + 4x + x2) = 0

Factor a trinomial.
x((-9 + -1x)(5 + -1x)) = 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 '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 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 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 3

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

Solution

x = {0, -9, 5}

See similar equations:

| x^3-4x+4=0 | | 2x^2+26x+156=0 | | x^2+11x+11=7x+9 | | x^2=16+6*x | | 4x+4=2x-8 | | 5y=2y+69 | | -4(3b+1)+(13b-6)=0 | | z+67=19-3 | | c=3c-10 | | -5x+13=3x+85 | | 8x^3+36x^2+54x+27=0 | | y=4+5x-2 | | 3(y-2/3)=1/4 | | 5.7q-1.3-5.6q=-0.9q-3.4 | | 2x+16-16=16 | | 7n-15=2n+15 | | 13x+9-4=12x-2 | | 4x-115=225 | | 1z+3(z-7)=19 | | 3x^2-4x-15= | | y=7x+8-x^2 | | .25(x-20)=2 | | 6a-5=3(2a-2) | | 5(x+2)=3x-2x+6 | | -3w^2-6w=0 | | 5m-15m=90 | | 2+6x=4x+22 | | 3x-x+12=-30 | | 7x+83-64=92 | | 2x=4x-64 | | -a/10-8=-24 | | 3a+17=-35 |

Equations solver categories