What should be subtracted from x2(sq) + y2(sq) – 2xy to get x2(sq) + y2(sq)?
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Answer:
x^2+y^2-2xy
use the perfect square formula a^2 - 2ab + b^2=(a - b) ^2 where a = x and b = y
( x - y ) ^ 2
Step-by-step explanation:
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