Question

Factorise2+2xy + 2-42

Answer 1

dxd(x2+2xy+y2)=dxd(42)

2x+2y+2xdxdy+2ydxdy=0

x+y+xdxdy+ydxdy=0

x+y+(x+y)dxdy=0

(x+y)dxdy=−(x+y)

dxdy=−1

I think your answer is this

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Answer 2

Answer:

Whats That Bro I don't understand