42x^3+40x+8x=0

Simple and best practice solution for 42x^3+40x+8x=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 42x^3+40x+8x=0 equation: 


Simplifying
42x3 + 40x + 8x = 0

Reorder the terms:
40x + 8x + 42x3 = 0

Combine like terms: 40x + 8x = 48x
48x + 42x3 = 0

Solving
48x + 42x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6x'.
6x(8 + 7x2) = 0

Ignore the factor 6.

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 '(8 + 7x2)' equal to zero and attempt to solve:

Simplifying
8 + 7x2 = 0

Solving
8 + 7x2 = 0

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

Add '-8' to each side of the equation.
8 + -8 + 7x2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 7x2 = 0 + -8
7x2 = 0 + -8

Combine like terms: 0 + -8 = -8
7x2 = -8

Divide each side by '7'.
x2 = -1.142857143

Simplifying
x2 = -1.142857143

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

See similar equations:

| (x*0.4)-y=1500 | | .25x^2+1.5x-2=0 | | 30a^2b+91ab-49b=0 | | 5x-8=88-3x | | 8x^6-12= | | .4h^2+.8h=.2 | | factorizex^2-10x-11=0 | | 64x^2-(3-8x^2)=87 | | X/3=-5/2 | | 3a^2+7a-49=0 | | 4x+2-x=4-2x | | -12x^2+3x-16=0 | | -3-x=4yz+19 | | 29-6x=-3x+18 | | 8x+4=4.4x+8 | | -8=8x+8 | | 14-7x=-134-28x | | 2.30+x=1 | | 3a^2b+7ab-49b=0 | | 24.50=10g+1y | | -27-7=10x+24 | | -3y+4w=3 | | 48x-9=-5+5x | | R^2-10r+22=0 | | 2.1-b=-1 | | 2a-b=-1 | | 9(6x-5)=2 | | 46-11x=16+4x | | 10x+1y=24.50 | | 6x^2y^2-93xy^2-210y^2=0 | | 4-(-(-2))-8y=9 | | 5n^2-12n+8=0 |

Equations solver categories