3x^4-39x^3-90x^2=

Simple and best practice solution for 3x^4-39x^3-90x^2= 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 3x^4-39x^3-90x^2= equation:


Simplifying
3x4 + -39x3 + -90x2 = 0

Reorder the terms:
-90x2 + -39x3 + 3x4 = 0

Solving
-90x2 + -39x3 + 3x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x2'.
3x2(-30 + -13x + x2) = 0

Factor a trinomial.
3x2((-2 + -1x)(15 + -1x)) = 0

Ignore the factor 3.

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 '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 3

Set the factor '(15 + -1x)' equal to zero and attempt to solve: Simplifying 15 + -1x = 0 Solving 15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -1x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -1x = 0 + -15 -1x = 0 + -15 Combine like terms: 0 + -15 = -15 -1x = -15 Divide each side by '-1'. x = 15 Simplifying x = 15

Solution

x = {0, -2, 15}

See similar equations:

| x+14=3x+6 | | 74+74+106+20x+6=360 | | x+71=5x+35 | | -444/5+7(x/5-3x^2)=3(x/5-7x^2) | | 4x-3(6x+14)=42 | | 1/3/8a+1/4=7/8 | | 11x-162=5x-12 | | 5x/20+16x/20=840/20 | | -5=-6+N/16 | | 0-6(-3p+7)=19p | | 9y-16+2(3y-14)=0 | | (4x+1)(3x-2u-7)= | | 0.7m=2.8 | | .2x-9=.75+9 | | -2x-2x=8 | | 4(-14h-16)=-4(11h+16)-12h | | 280/88 | | -2x^2-8=12 | | 16-41=3(x-2)-7 | | 12/x+7=4/5 | | 2x^6-28x^5-64x^4= | | 26b+45b= | | X/4+4x/5=42 | | 3(-1/2x+2)=105/22 | | (2h-1)/3=(h-4)/12 | | 12-7x=38x+16 | | 6=x-2/3 | | -113=7x+4(-7x-2) | | 6(6x-1)=36x-6 | | 2/3d+12=-4-2/5d | | .5(3x-5)+6x=35 | | 13*x+10*y=325 |

Equations solver categories