Sagot :
Answer:
5x²y-13xy-y²
Step-by-step explanation:
2x²y-5xy+3y²-8xy-4y²+3x²y
= 5x²y-5xy+3y²-8xy-4y²
= 5x²-13xy+3y²-4y²
= 5x²y-13xy-y²
-E.F.
Answer:
5x²y-13xy-y²
Step-by-step explanation:
2x²y-5xy+3y²-8xy-4y²+3x²y
= 5x²y-5xy+3y²-8xy-4y²
= 5x²-13xy+3y²-4y²
= 5x²y-13xy-y²
-E.F.