Answer:
12. A mi 13. ella 14. contigo
These make the most sense in the sentences.
Answer:
Los términos anteriores se pueden escribir como,
( x
2
+2 x y+y
2
)-( un
2
+2 a b+B
2
)
Lo sabemos ( un+b )
2
=a
2
+2 a b+B
2
y ( un-b )
2
=a
2
-2 a b+B
2
( x
2
-( 2×X×y )+y
2
)-( un
2
+( 2×a×b )+B
2
)
( x-y )
2
-( un+b )
2
Lo sabemos , a
2
-B
2
=( un+b ) ( un-b )
[ ( x-y )+( un+b ) ] [ ( x-y )-( un+b ) ]
( x-y+a+b ) ( x-y-a-b )
Explanation:
