(v+9)(v+9)(v+9)-81=0

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Solution for (v+9)(v+9)(v+9)-81=0 equation: 


Simplifying
(v + 9)(v + 9)(v + 9) + -81 = 0

Reorder the terms:
(9 + v)(v + 9)(v + 9) + -81 = 0

Reorder the terms:
(9 + v)(9 + v)(v + 9) + -81 = 0

Reorder the terms:
(9 + v)(9 + v)(9 + v) + -81 = 0

Multiply (9 + v) * (9 + v)
(9(9 + v) + v(9 + v))(9 + v) + -81 = 0
((9 * 9 + v * 9) + v(9 + v))(9 + v) + -81 = 0
((81 + 9v) + v(9 + v))(9 + v) + -81 = 0
(81 + 9v + (9 * v + v * v))(9 + v) + -81 = 0
(81 + 9v + (9v + v2))(9 + v) + -81 = 0

Combine like terms: 9v + 9v = 18v
(81 + 18v + v2)(9 + v) + -81 = 0

Multiply (81 + 18v + v2) * (9 + v)
(81(9 + v) + 18v * (9 + v) + v2(9 + v)) + -81 = 0
((9 * 81 + v * 81) + 18v * (9 + v) + v2(9 + v)) + -81 = 0
((729 + 81v) + 18v * (9 + v) + v2(9 + v)) + -81 = 0
(729 + 81v + (9 * 18v + v * 18v) + v2(9 + v)) + -81 = 0
(729 + 81v + (162v + 18v2) + v2(9 + v)) + -81 = 0
(729 + 81v + 162v + 18v2 + (9 * v2 + v * v2)) + -81 = 0
(729 + 81v + 162v + 18v2 + (9v2 + v3)) + -81 = 0

Combine like terms: 81v + 162v = 243v
(729 + 243v + 18v2 + 9v2 + v3) + -81 = 0

Combine like terms: 18v2 + 9v2 = 27v2
(729 + 243v + 27v2 + v3) + -81 = 0

Reorder the terms:
729 + -81 + 243v + 27v2 + v3 = 0

Combine like terms: 729 + -81 = 648
648 + 243v + 27v2 + v3 = 0

Solving
648 + 243v + 27v2 + v3 = 0

Solving for variable 'v'.

The solution to this equation could not be determined.

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