(3x^4-4)(3x^4+5)=

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Solution for (3x^4-4)(3x^4+5)= equation: 


Simplifying
(3x4 + -4)(3x4 + 5) = 0

Reorder the terms:
(-4 + 3x4)(3x4 + 5) = 0

Reorder the terms:
(-4 + 3x4)(5 + 3x4) = 0

Multiply (-4 + 3x4) * (5 + 3x4)
(-4(5 + 3x4) + 3x4 * (5 + 3x4)) = 0
((5 * -4 + 3x4 * -4) + 3x4 * (5 + 3x4)) = 0
((-20 + -12x4) + 3x4 * (5 + 3x4)) = 0
(-20 + -12x4 + (5 * 3x4 + 3x4 * 3x4)) = 0
(-20 + -12x4 + (15x4 + 9x8)) = 0

Combine like terms: -12x4 + 15x4 = 3x4
(-20 + 3x4 + 9x8) = 0

Solving
-20 + 3x4 + 9x8 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -3x4)(4 + -3x4) = 0


Subproblem 1
Set the factor '(-5 + -3x4)' equal to zero and attempt to solve:

Simplifying
-5 + -3x4 = 0

Solving
-5 + -3x4 = 0

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

Add '5' to each side of the equation.
-5 + 5 + -3x4 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -3x4 = 0 + 5
-3x4 = 0 + 5

Combine like terms: 0 + 5 = 5
-3x4 = 5

Divide each side by '-3'.
x4 = -1.666666667

Simplifying
x4 = -1.666666667

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 '(4 + -3x4)' equal to zero and attempt to solve:

Simplifying
4 + -3x4 = 0

Solving
4 + -3x4 = 0

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

Add '-4' to each side of the equation.
4 + -4 + -3x4 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3x4 = 0 + -4
-3x4 = 0 + -4

Combine like terms: 0 + -4 = -4
-3x4 = -4

Divide each side by '-3'.
x4 = 1.333333333

Simplifying
x4 = 1.333333333

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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