## Algebra 1

$x^{2}$ - 12 xy - 4xy + $48y^{2}$ Find the GCD of the first two and the GDC of the last two terms. x (x - 12y) + 4y (x - 12y) We take (x - 12y) and factor it out which gives us. (x - 12y) (x + 4y)