y=(x-1)(x+1)(3x+4)

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Solution for y=(x-1)(x+1)(3x+4) equation: 


Simplifying
y = (x + -1)(x + 1)(3x + 4)

Reorder the terms:
y = (-1 + x)(x + 1)(3x + 4)

Reorder the terms:
y = (-1 + x)(1 + x)(3x + 4)

Reorder the terms:
y = (-1 + x)(1 + x)(4 + 3x)

Multiply (-1 + x) * (1 + x)
y = (-1(1 + x) + x(1 + x))(4 + 3x)
y = ((1 * -1 + x * -1) + x(1 + x))(4 + 3x)
y = ((-1 + -1x) + x(1 + x))(4 + 3x)
y = (-1 + -1x + (1 * x + x * x))(4 + 3x)
y = (-1 + -1x + (1x + x2))(4 + 3x)

Combine like terms: -1x + 1x = 0
y = (-1 + 0 + x2)(4 + 3x)
y = (-1 + x2)(4 + 3x)

Multiply (-1 + x2) * (4 + 3x)
y = (-1(4 + 3x) + x2(4 + 3x))
y = ((4 * -1 + 3x * -1) + x2(4 + 3x))
y = ((-4 + -3x) + x2(4 + 3x))
y = (-4 + -3x + (4 * x2 + 3x * x2))
y = (-4 + -3x + (4x2 + 3x3))
y = (-4 + -3x + 4x2 + 3x3)

Solving
y = -4 + -3x + 4x2 + 3x3

Solving for variable 'y'.

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

Simplifying
y = -4 + -3x + 4x2 + 3x3

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