Question

from the sum of x²-2y+y² and x²-2xy+y² subtract x²-4xy+4y².​

Answer 1

Step-by-step explanation:

दिस इज वेरी हाई फाई क्वेश्चन

Answer 2

Answer:

(x²-2y+y²)+(x²-2xy+y²)-(x²-4xy+4y²)

=> (x²-2y+y²+x²-2xy+y²)-(x²-4xy+4y²)

=> (2x²-2y-2xy+2y²)-(x²-4xy+4y²)

=> 2x²-2y-2xy+2y²-x²+4xy+4y²

=> x²-2y+2xy+6y²