Solved

Multiply
- $(x+y-4)(x+y+4)$ A) $x^{2}+y^{2}+2 x y-16$ B) $x^{2}+y^{2}+2(x y-4)$ C) $x^{2}+y^{2}+2 x y+16$

Question 308

Multiple Choice

Multiply.
- $(x+y-4) (x+y+4)$

A) $x^{2}+y^{2}+2 x y-16$
B) $x^{2}+y^{2}+2(x y-4)$
C) $x^{2}+y^{2}+2 x y+16$
D) $x^{2}+y^{2}-16$

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