Question

factorise the following expression vii) (x+y)²-4xy​

Answer 1

Answer:here it is:

Step-by-step explanation:

(x+y)² -4xy

=x² +y² +2xy-4xy

=x² +y² -2xy

=(x-y)²

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Answer 2

x^2+2*x*y+y^2-4*x*y

=x^2-2*x*y+y^2

=(x-y)^2