5x²-3xy+y² from 7x²-2xy-4y²
Answers
Answered by
2
Step-by-step explanation:
The required difference =(7x
2
−2xy−4y
2
)−(5x
2
−3xy+y
2
)
=7x
2
−2xy−4y
2
−5x
2
+3xy−y
2
Rearranging and collecting like terms
=(7x
2
−5x
2
)+(−4y
2
−y
2
)+(−2xy+3xy)
=2x
2
−5y
2
+xy
Answered by
2
Answer:
(7x²-2xy-4y²)-(5x²-3xy+y²)
= 7x²-2xy-4y²-5x²+3xy-y²
= 7x²-5x²-2xy+3xy-4y²-y²
= 2x²+3xy-5y²
Hope it helps you!!
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