Question

find using suitable identities (3x-3y)(3x+3y)​

Answer 1

Answer:

$(3x - 3y) = (3x) {}^{2} - 2 \times (3x) \times (3y) + (3y) {}^{2} . \\ = 9x - 18xy + 9y.$

Answer 2

=9x−18xy+9y.

is the answer

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