Question

(x+y )(x-b)



explan the identity
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Answer 1

Answer:

(x + y) (x - y)

x( x - y) + y ( x - y)

x² - xy + xy -y²

x² - y²

Answer 2

Step-by-step explanation:

(x+y) (x-y):

= x(x-y)+y(x-y)

=x^-xy+xy-y^

=(x^-y^)

Proved