(3x+y)(x^2+3x+4y)=

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Solution for (3x+y)(x^2+3x+4y)= equation: 


Simplifying
(3x + y)(x2 + 3x + 4y) = 0

Reorder the terms:
(3x + y)(3x + x2 + 4y) = 0

Multiply (3x + y) * (3x + x2 + 4y)
(3x * (3x + x2 + 4y) + y(3x + x2 + 4y)) = 0
((3x * 3x + x2 * 3x + 4y * 3x) + y(3x + x2 + 4y)) = 0

Reorder the terms:
((12xy + 9x2 + 3x3) + y(3x + x2 + 4y)) = 0
((12xy + 9x2 + 3x3) + y(3x + x2 + 4y)) = 0
(12xy + 9x2 + 3x3 + (3x * y + x2 * y + 4y * y)) = 0
(12xy + 9x2 + 3x3 + (3xy + x2y + 4y2)) = 0

Reorder the terms:
(12xy + 3xy + 9x2 + x2y + 3x3 + 4y2) = 0

Combine like terms: 12xy + 3xy = 15xy
(15xy + 9x2 + x2y + 3x3 + 4y2) = 0

Solving
15xy + 9x2 + x2y + 3x3 + 4y2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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