Question

find the factorise of x2 + 2xy + y2 - 16
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Answer 1

Answer:

(x+y)(x+y)-16

Step-by-step explanation:

x^2 +2xy +y^2-16

x^2+xy+xy+y^2-16

x(x+y)+(x+y)-16

(x+y)(x+y)-16