X^3+8x^2+x-42=0

Simple and best practice solution for X^3+8x^2+x-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+8x^2+x-42=0 equation:


Simplifying
X3 + 8x2 + x + -42 = 0

Reorder the terms:
-42 + X3 + x + 8x2 = 0

Solving
-42 + X3 + x + 8x2 = 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 + x + 42 + 8x2 = 0 + 42

Reorder the terms:
-42 + 42 + X3 + x + 8x2 = 0 + 42

Combine like terms: -42 + 42 = 0
0 + X3 + x + 8x2 = 0 + 42
X3 + x + 8x2 = 0 + 42

Combine like terms: 0 + 42 = 42
X3 + x + 8x2 = 42

Add '-1x' to each side of the equation.
X3 + x + -1x + 8x2 = 42 + -1x

Combine like terms: x + -1x = 0
X3 + 0 + 8x2 = 42 + -1x
X3 + 8x2 = 42 + -1x

Add '-8x2' to each side of the equation.
X3 + 8x2 + -8x2 = 42 + -1x + -8x2

Combine like terms: 8x2 + -8x2 = 0
X3 + 0 = 42 + -1x + -8x2
X3 = 42 + -1x + -8x2

Simplifying
X3 = 42 + -1x + -8x2

Reorder the terms:
-42 + X3 + x + 8x2 = 42 + -1x + -8x2 + -42 + x + 8x2

Reorder the terms:
-42 + X3 + x + 8x2 = 42 + -42 + -1x + x + -8x2 + 8x2

Combine like terms: 42 + -42 = 0
-42 + X3 + x + 8x2 = 0 + -1x + x + -8x2 + 8x2
-42 + X3 + x + 8x2 = -1x + x + -8x2 + 8x2

Combine like terms: -1x + x = 0
-42 + X3 + x + 8x2 = 0 + -8x2 + 8x2
-42 + X3 + x + 8x2 = -8x2 + 8x2

Combine like terms: -8x2 + 8x2 = 0
-42 + X3 + x + 8x2 = 0

The solution to this equation could not be determined.

See similar equations:

| c-12/2=14 | | 17g-12g-5g+g=12 | | x=-0.5+14x-1 | | 10x-3x=19 | | 1/2x5x4 | | 7x-15=9-x | | b^2+2b+13=0 | | 22/7x21 | | 6(t-6)+4t=5(2t+3)-10 | | 31/7x21 | | 2.88=x/(2-2x) | | 7-5(x+1)=8+1 | | -3(x+-5)=9 | | -2x+12=-2(3x+12) | | 156/×=12 | | -11x-91=30 | | 2x-3=7x+17 | | x/5=-50/35 | | 7-2x=2x-13 | | 15+157495= | | (4m+2)(3m-9)=o | | x+60=2x | | 175.97=x(1.095) | | 6(x+3)+x=3(x+3)+4 | | 3r^2-16r-13=0 | | -1/5x-9 | | 2z=12-16 | | px+3p=23 | | 11X+16=4X+177 | | 12x-3x+4=-16 | | 232=40+x | | 0.2(2.2-h)=8.6 |

Equations solver categories