Y=cos(x-1)(x+1)

Solution for Y=cos(x-1)(x+1) equation:

Simplifying
Y = cos(x + -1)(x + 1)

Reorder the terms:
Y = cos(-1 + x)(x + 1)

Reorder the terms:
Y = cos(-1 + x)(1 + x)

Multiply (-1 + x) * (1 + x)
Y = cos(-1(1 + x) + x(1 + x))
Y = cos((1 * -1 + x * -1) + x(1 + x))
Y = cos((-1 + -1x) + x(1 + x))
Y = cos(-1 + -1x + (1 * x + x * x))
Y = cos(-1 + -1x + (1x + x2))

Combine like terms: -1x + 1x = 0
Y = cos(-1 + 0 + x2)
Y = cos(-1 + x2)
Y = (-1 * cos + x2 * cos)
Y = (-1cos + cosx2)

Solving
Y = -1cos + cosx2

Solving for variable 'Y'.

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

Simplifying
Y = -1cos + cosx2