x^4-9x^3-36x^2=0

Simple and best practice solution for x^4-9x^3-36x^2=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^4-9x^3-36x^2=0 equation:


Simplifying
x4 + -9x3 + -36x2 = 0

Reorder the terms:
-36x2 + -9x3 + x4 = 0

Solving
-36x2 + -9x3 + x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x2'.
x2(-36 + -9x + x2) = 0

Factor a trinomial.
x2((-3 + -1x)(12 + -1x)) = 0

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

Subproblem 2

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 3

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {0, -3, 12}

See similar equations:

| 3(-1)+4y=13 | | -9+6x-4x=-9 | | 36-12=8x | | 3(1)+4y=13 | | (-4)(-13)(-3)= | | X+.31X=17049 | | 9y-4y-16=24 | | 2x-27=83 | | X*.31=17049 | | (-24)(-4)= | | 7+4j/4+j | | 4=7x-4x+10 | | 2-5(7-4)-6= | | 27x^2-16=0 | | 5x^3+55x^2+90x=0 | | 2x-6y+8=0 | | x+.5x=100 | | 9a+102=-15 | | x/7+9=17 | | w^2+16+64=0 | | 6-6x=-60 | | t/10+5=-15 | | -7(1)+6y=7 | | -7(1)+66y=7 | | 8x^2-12xy-4x-6y=0 | | 7x^2+49x-56=0 | | -18=3n-6 | | 7x^2+49-56=0 | | 0=-0.055x+1.65 | | 6/8=9/x | | -10+5x=-20 | | 1/2x+10=-1/4x+43 |

Equations solver categories