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

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


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

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

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

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

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

Solving
y = 3 + -4x + x2

Solving for variable 'y'.

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

Simplifying
y = 3 + -4x + x2

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