Find the product mentally.
(ab + 3)(ab - 3)
a: a2b2 + 9
b: a2b2 - 6ab - 9
...
Mathematics, 19.08.2019 02:00 bee171
Find the product mentally.
(ab + 3)(ab - 3)
a: a2b2 + 9
b: a2b2 - 6ab - 9
c: a2b2 - 9
Answers: 2
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