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## Answers

a^2+b^2+c^2+2ab+2ac+2bc

e^2+f^2+g^2+2ef+2eg+2fg

x^2+y^2+4+2xy+4x+4y

x^2+4y^2+9-4xy+6x-12y

a²+b²+c²+2ab+2bc

and so on lang po i multiply mo lang yung exponent na nasa labas ng parenthesis sa exponent na nasa loob understood na po kasi na may exponent 1 yung every variable :)