1.

Simplify : $$ {(2x)^{2}-(2y)^{2}-(4x)^{2}}$$

A. $$ {(12x^{2}-4y^{2})}$$
B. $$ {(12x^{2}+4y^{2})}$$
C. $$ {-12x^{2}+4y^{2}}$$
D. $$ {-12x^{2}-4y^{2}}$$
Answer» E.


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