Question

can any one please can solve
(x-y)-(x+y).
and plzz explain me deep a line ro line ..
if the answer is correct i will mark he or she brainlist​

Answer 1

Step-by-step explanation:

this is one of the given of algebraic identities

solution is

x × ( x+y ) - y × ( x+y )

= x² + xy - xy - y²

= x² - y²

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