Question

can u answ
help answer this fast

Answer 1

Answer:

5x² -8y² -3xy

Step-by-step explanation:

12x² -5y² +8xy -[ 7x² +3y² +11xy ]

= 12x² -5y² +8xy -7x² -3y² -11 xy

= 12x² -7x² -5y² -3y² +8xy -11xy

= 5x² -8y² -3xy

Answer 2

Answer:

12x2-5y2+8xy - 7x2+3y2+11xy

12x2-7x2-5y2-3y2+8xy-11xy

5x2- 2y2-3xy

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