9x^6-12x^5-21x^4=0

Simple and best practice solution for 9x^6-12x^5-21x^4=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 9x^6-12x^5-21x^4=0 equation:


Simplifying
9x6 + -12x5 + -21x4 = 0

Reorder the terms:
-21x4 + -12x5 + 9x6 = 0

Solving
-21x4 + -12x5 + 9x6 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x4'.
3x4(-7 + -4x + 3x2) = 0

Factor a trinomial.
3x4((-1 + -1x)(7 + -3x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x4' equal to zero and attempt to solve: Simplifying x4 = 0 Solving x4 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x4 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

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

Subproblem 3

Set the factor '(7 + -3x)' equal to zero and attempt to solve: Simplifying 7 + -3x = 0 Solving 7 + -3x = 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 + -3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3x = 0 + -7 -3x = 0 + -7 Combine like terms: 0 + -7 = -7 -3x = -7 Divide each side by '-3'. x = 2.333333333 Simplifying x = 2.333333333

Solution

x = {-1, 2.333333333}

See similar equations:

| -5(n-2)-7n=5(3-2n)+3n | | r-7.7=-7.6 | | 2+3=a | | .25x-.2x+1.4=5x | | 5(6-5y)-y=-22 | | 6x+3=-5+2x+20 | | (1/4)*x-(1/5*x-7)=5x | | F(x)=5-(50000/x^2) | | .5x=43+22x | | y-2a=4 | | 3a+2b(3c+1)= | | .40x+.70*200=.60(200) | | x=2.071 | | .40x+.70(200)=.60(200) | | 9k/65=1161/845 | | y-4a=6 | | x^2-5x-14/2x^2-8 | | X+10*x=25.6 | | x=200000-25000-25000-25000-30000-9000 | | 3/7y=4 | | 5x+(-32)=-2 | | 2x=49/7 | | 4b+5(2b-4)=2(b+8) | | xy-5y=2x+3 | | Y=3/2(3/1)-5 | | X+10x=25.6 | | -3x+4x-6x=0 | | 4d+6+2d=-14 | | 6x-12x=30 | | (-4-3i)*(6-7i)= | | 17+x=-10 | | -2/3n=-8 |

Equations solver categories