Y=(x+3)(x-1)

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


Simplifying
Y = (x + 3)(x + -1)

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

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

Multiply (3 + x) * (-1 + x)
Y = (3(-1 + x) + x(-1 + x))
Y = ((-1 * 3 + x * 3) + x(-1 + x))
Y = ((-3 + 3x) + x(-1 + x))
Y = (-3 + 3x + (-1 * x + x * x))
Y = (-3 + 3x + (-1x + x2))

Combine like terms: 3x + -1x = 2x
Y = (-3 + 2x + x2)

Solving
Y = -3 + 2x + x2

Solving for variable 'Y'.

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

Simplifying
Y = -3 + 2x + x2

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