pretty easy question.. can't get answer in the back of the book though.
x2 + 6y -y2 -9
my answer
(x-3)(x+3) + y(6-y)
back of book
(x+y-3)(x-y+3)
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pretty easy question.. can't get answer in the back of the book though.
x2 + 6y -y2 -9
my answer
(x-3)(x+3) + y(6-y)
back of book
(x+y-3)(x-y+3)
Using the difference of two squares rule.
lol cant believe i missed that, thanks.