3x^8+20x^4=7

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Solution for 3x^8+20x^4=7 equation: 


Simplifying
3x8 + 20x4 = 7

Reorder the terms:
20x4 + 3x8 = 7

Solving
20x4 + 3x8 = 7

Solving for variable 'x'.

Reorder the terms:
-7 + 20x4 + 3x8 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + 20x4 + 3x8 = 0

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


Subproblem 1
Set the factor '(-7 + -1x4)' equal to zero and attempt to solve:

Simplifying
-7 + -1x4 = 0

Solving
-7 + -1x4 = 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 + -1x4 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1x4 = 0 + 7
-1x4 = 0 + 7

Combine like terms: 0 + 7 = 7
-1x4 = 7

Divide each side by '-1'.
x4 = -7

Simplifying
x4 = -7

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 + -3x4)' equal to zero and attempt to solve:

Simplifying
1 + -3x4 = 0

Solving
1 + -3x4 = 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 + -3x4 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3x4 = 0 + -1
-3x4 = 0 + -1

Combine like terms: 0 + -1 = -1
-3x4 = -1

Divide each side by '-3'.
x4 = 0.3333333333

Simplifying
x4 = 0.3333333333

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.

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