X^3-9x+42=0

Simple and best practice solution for X^3-9x+42=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^3-9x+42=0 equation:


Simplifying
X3 + -9x + 42 = 0

Reorder the terms:
42 + X3 + -9x = 0

Solving
42 + X3 + -9x = 0

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-42' to each side of the equation.
42 + X3 + -42 + -9x = 0 + -42

Reorder the terms:
42 + -42 + X3 + -9x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + X3 + -9x = 0 + -42
X3 + -9x = 0 + -42

Combine like terms: 0 + -42 = -42
X3 + -9x = -42

Add '9x' to each side of the equation.
X3 + -9x + 9x = -42 + 9x

Combine like terms: -9x + 9x = 0
X3 + 0 = -42 + 9x
X3 = -42 + 9x

Simplifying
X3 = -42 + 9x

Reorder the terms:
42 + X3 + -9x = -42 + 9x + 42 + -9x

Reorder the terms:
42 + X3 + -9x = -42 + 42 + 9x + -9x

Combine like terms: -42 + 42 = 0
42 + X3 + -9x = 0 + 9x + -9x
42 + X3 + -9x = 9x + -9x

Combine like terms: 9x + -9x = 0
42 + X3 + -9x = 0

The solution to this equation could not be determined.

See similar equations:

| (210-3x)+(x+20)+(x)=180 | | 7x-29+c=180 | | 8a+ab=1 | | 5+10=5 | | 3+4a+4=3 | | 7x-4-2=0 | | (x+20)+x=210-3x | | 5=-5x-2 | | 3x+8y+6= | | 6-(3x-8)=6-4x | | 8-x-3=-x | | -7(n-9)-(5n-4)=-13n | | V-2=0 | | 7w^2-28=0 | | Y=12-15x | | 2x+105+x=18 | | 1m+2m=-1 | | -12+8u=8u-12 | | [x+4]=4 | | 8s^4-72=0 | | 8s^4-72=0 | | 2w-3+5=3w-1 | | 2w-3+5=3w-1 | | 10p=140 | | [2X-36]=14 | | 10p=140 | | [2X-36]=14 | | 4(w-6)=3(w-9) | | Y+1=6(x+1) | | -9(m+3)-5(6m+8)=-40(m+2)-2 | | 30s^2-13s-3=0 | | -2.1(z+.9)=2.1(z+1.6) |

Equations solver categories