Question

CUK Vou
Prove that (x + y)2 = x2 + 2xy + y2​

Answer 1

Step-by-step explanation:

(x+y)²

(x+y)(x+y)

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

x²+xy+xy+y²

x²+2xy+y²

(proved)

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Answer 2

Step-by-step explanation:

(x+y)(x+y)

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

x^2+xy+xy+y^2

x^2+2xy+y^2