(-8x^4+5x^5)(4x^4-4x^6-4x-9)=

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Solution for (-8x^4+5x^5)(4x^4-4x^6-4x-9)= equation: 


Simplifying
(-8x4 + 5x5)(4x4 + -4x6 + -4x + -9) = 0

Reorder the terms:
(-8x4 + 5x5)(-9 + -4x + 4x4 + -4x6) = 0

Multiply (-8x4 + 5x5) * (-9 + -4x + 4x4 + -4x6)
(-8x4 * (-9 + -4x + 4x4 + -4x6) + 5x5 * (-9 + -4x + 4x4 + -4x6)) = 0
((-9 * -8x4 + -4x * -8x4 + 4x4 * -8x4 + -4x6 * -8x4) + 5x5 * (-9 + -4x + 4x4 + -4x6)) = 0
((72x4 + 32x5 + -32x8 + 32x10) + 5x5 * (-9 + -4x + 4x4 + -4x6)) = 0
(72x4 + 32x5 + -32x8 + 32x10 + (-9 * 5x5 + -4x * 5x5 + 4x4 * 5x5 + -4x6 * 5x5)) = 0
(72x4 + 32x5 + -32x8 + 32x10 + (-45x5 + -20x6 + 20x9 + -20x11)) = 0

Reorder the terms:
(72x4 + 32x5 + -45x5 + -20x6 + -32x8 + 20x9 + 32x10 + -20x11) = 0

Combine like terms: 32x5 + -45x5 = -13x5
(72x4 + -13x5 + -20x6 + -32x8 + 20x9 + 32x10 + -20x11) = 0

Solving
72x4 + -13x5 + -20x6 + -32x8 + 20x9 + 32x10 + -20x11 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x4'.
x4(72 + -13x + -20x2 + -32x4 + 20x5 + 32x6 + -20x7) = 0


Subproblem 1
Set the factor 'x4' equal to zero and attempt to solve:

Simplifying
x4 = 0

Solving
x4 = 0

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

Simplifying
x4 = 0

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 '(72 + -13x + -20x2 + -32x4 + 20x5 + 32x6 + -20x7)' equal to zero and attempt to solve:

Simplifying
72 + -13x + -20x2 + -32x4 + 20x5 + 32x6 + -20x7 = 0

Solving
72 + -13x + -20x2 + -32x4 + 20x5 + 32x6 + -20x7 = 0

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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