y=(a+4)(3a^2+8a+4)

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Solution for y=(a+4)(3a^2+8a+4) equation: 


Simplifying
y = (a + 4)(3a2 + 8a + 4)

Reorder the terms:
y = (4 + a)(3a2 + 8a + 4)

Reorder the terms:
y = (4 + a)(4 + 8a + 3a2)

Multiply (4 + a) * (4 + 8a + 3a2)
y = (4(4 + 8a + 3a2) + a(4 + 8a + 3a2))
y = ((4 * 4 + 8a * 4 + 3a2 * 4) + a(4 + 8a + 3a2))
y = ((16 + 32a + 12a2) + a(4 + 8a + 3a2))
y = (16 + 32a + 12a2 + (4 * a + 8a * a + 3a2 * a))
y = (16 + 32a + 12a2 + (4a + 8a2 + 3a3))

Reorder the terms:
y = (16 + 32a + 4a + 12a2 + 8a2 + 3a3)

Combine like terms: 32a + 4a = 36a
y = (16 + 36a + 12a2 + 8a2 + 3a3)

Combine like terms: 12a2 + 8a2 = 20a2
y = (16 + 36a + 20a2 + 3a3)

Solving
y = 16 + 36a + 20a2 + 3a3

Solving for variable 'y'.

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

Simplifying
y = 16 + 36a + 20a2 + 3a3

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