Expand the expression(3a - xy)(3a + xy)
a
9a2 - x2y2
b
9a2 + x2y2
c
9a2 - xy
d
9a2 + x2y
Explanation
Correct Option
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hollurwapellumey
10 years ago
Here is the correct explanation:
u guy dont underline the question der in the cbt
REF: english
