y=(x^2-4)(x+1)

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Solution for y=(x^2-4)(x+1) equation: 


Simplifying
y = (x2 + -4)(x + 1)

Reorder the terms:
y = (-4 + x2)(x + 1)

Reorder the terms:
y = (-4 + x2)(1 + x)

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

Solving
y = -4 + -4x + 1x2 + x3

Solving for variable 'y'.

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

Simplifying
y = -4 + -4x + 1x2 + x3

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