y=(x+9y)(x^3-9)

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Solution for y=(x+9y)(x^3-9) equation:


Simplifying
y = (x + 9y)(x3 + -9)

Reorder the terms:
y = (x + 9y)(-9 + x3)

Multiply (x + 9y) * (-9 + x3)
y = (x(-9 + x3) + 9y * (-9 + x3))
y = ((-9 * x + x3 * x) + 9y * (-9 + x3))
y = ((-9x + x4) + 9y * (-9 + x3))
y = (-9x + x4 + (-9 * 9y + x3 * 9y))

Reorder the terms:
y = (-9x + x4 + (9x3y + -81y))
y = (-9x + x4 + (9x3y + -81y))

Reorder the terms:
y = (-9x + 9x3y + x4 + -81y)
y = (-9x + 9x3y + x4 + -81y)

Solving
y = -9x + 9x3y + x4 + -81y

Solving for variable 'y'.

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

Add '-9x3y' to each side of the equation.
-9x3y + y = -9x + 9x3y + x4 + -9x3y + -81y

Reorder the terms:
-9x3y + y = -9x + 9x3y + -9x3y + x4 + -81y

Combine like terms: 9x3y + -9x3y = 0
-9x3y + y = -9x + 0 + x4 + -81y
-9x3y + y = -9x + x4 + -81y

Add '81y' to each side of the equation.
-9x3y + y + 81y = -9x + x4 + -81y + 81y

Combine like terms: y + 81y = 82y
-9x3y + 82y = -9x + x4 + -81y + 81y

Combine like terms: -81y + 81y = 0
-9x3y + 82y = -9x + x4 + 0
-9x3y + 82y = -9x + x4

Reorder the terms:
9x + -9x3y + -1x4 + 82y = -9x + x4 + 9x + -1x4

Reorder the terms:
9x + -9x3y + -1x4 + 82y = -9x + 9x + x4 + -1x4

Combine like terms: -9x + 9x = 0
9x + -9x3y + -1x4 + 82y = 0 + x4 + -1x4
9x + -9x3y + -1x4 + 82y = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
9x + -9x3y + -1x4 + 82y = 0

The solution to this equation could not be determined.

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