Question

simplifique as depressões: a) (x+y)²- x²-y²

socorro ;-;​

Answer 1

꧁Hello, how are you?꧂

$(x + y) {}^{2} - x {}^{2} - y {}^{2} \\ x {}^{2} + 2xy + y {}^{2} - x {}^{2} - y {}^{2} \\ 2xy + y {}^{2} - y {}^{2} \\ 2xy$

━━━━━ • ஜ • ❈ • ஜ • ━━━━━

Signed: Lohany Queen of hell 彡★

━━━━━ • ஜ • ❈ • ஜ • ━━━━━