0=30x^3-90x-45

Simple and best practice solution for 0=30x^3-90x-45 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 0=30x^3-90x-45 equation:


Simplifying
0 = 30x3 + -90x + -45

Reorder the terms:
0 = -45 + -90x + 30x3

Solving
0 = -45 + -90x + 30x3

Solving for variable 'x'.

Combine like terms: 0 + 45 = 45
45 + 90x + -30x3 = -45 + -90x + 30x3 + 45 + 90x + -30x3

Reorder the terms:
45 + 90x + -30x3 = -45 + 45 + -90x + 90x + 30x3 + -30x3

Combine like terms: -45 + 45 = 0
45 + 90x + -30x3 = 0 + -90x + 90x + 30x3 + -30x3
45 + 90x + -30x3 = -90x + 90x + 30x3 + -30x3

Combine like terms: -90x + 90x = 0
45 + 90x + -30x3 = 0 + 30x3 + -30x3
45 + 90x + -30x3 = 30x3 + -30x3

Combine like terms: 30x3 + -30x3 = 0
45 + 90x + -30x3 = 0

Factor out the Greatest Common Factor (GCF), '15'.
15(3 + 6x + -2x3) = 0

Ignore the factor 15.

Subproblem 1

Set the factor '(3 + 6x + -2x3)' equal to zero and attempt to solve: Simplifying 3 + 6x + -2x3 = 0 Solving 3 + 6x + -2x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 6+5x=30-x | | 0=x^3-3x-1.5 | | 4+5x=8x-2 | | 12-(4/3-7/9b)=8/3 | | 3/2w-1=z | | w-z=-1 | | 16-9m=5n | | Acos(x)-Bsin(x)=1.4 | | Acos(x)-Bsen(x)=1.4 | | Tcos(a)-Bsen(a)=1.4 | | Acos(a)-Bsen(a)=1.4 | | 15-y=4 | | y-(-3)=6/7(x-4) | | -2v+9=21 | | 0=720-(80t) | | x^3+125=(x+5)+(x^2-5x+25) | | x^3+125=(x+5)-(x^2-5x+25) | | 0=720-(80xt) | | 6(x-2)=3+x | | x^3+125=(x+5)(x^2-5x+25) | | X^4-16x-12=0 | | x^3+125=(x-5)(x^2+5x+25) | | x^3-125=(x+5)-(x^2-5x+25) | | 1/2(12n-4)=14-10 | | 100-4t=0 | | 100-2t=0 | | 131.5/180 | | 18+4m=m | | M-4m=18 | | x^2+2x-8.75=0 | | -8(7-8m)=3(8m+8) | | f(x)=4x^2+x+8 |

Equations solver categories