4x^3+25x^2-21x=0

Simple and best practice solution for 4x^3+25x^2-21x=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 4x^3+25x^2-21x=0 equation:


Simplifying
4x3 + 25x2 + -21x = 0

Reorder the terms:
-21x + 25x2 + 4x3 = 0

Solving
-21x + 25x2 + 4x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-21 + 25x + 4x2) = 0

Factor a trinomial.
x((-7 + -1x)(3 + -4x)) = 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 '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 3

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Solution

x = {0, -7, 0.75}

See similar equations:

| -6u=3/8 | | -x+3x=-16 | | 660=2(3.14)50+2r | | 6=-2x+3x-4 | | t+x+x=180 | | X/3-2=2x/3-3 | | 15/8*2/9 | | -7+4z/4=5.3 | | -2x-3y=33 | | 4x^2-12x=112 | | 2(4x+3)=2x+6/3(2x) | | 5*x-2=8 | | 5-2n=-5-n | | 5x+3=-3x-13 | | 8x-5=67-x | | 5/4x-3=9/4x-14 | | -8x+6x=2 | | x+(x+10)+2x=180 | | 6x+15=-63 | | y^2=y+110 | | -(5x+3)=2x-51 | | 6+2z=3z-2 | | 10x^3-29x^2+21x=0 | | -3(x+2)-1=x-9 | | x^2-24=(x+2) | | -9x+43=-20 | | 6x-8=2(3x-4) | | 2x-3+4x=7x+4x | | -3(2x+1)+7=-5 | | 8x-16=-56 | | 14+7+(-1)=21 | | 2[9-3(-2x+-4)]=12x+42 |

Equations solver categories