Question

pls solve pls solve this fast it's urgent​

Answer 1

$(x^{2} + 2xy + y^{2} ) - z^{2}$

now, we know $(a+b)^{2} = a^{2} +2ab+b^{2}$

therefore,

$(x + y)^{2} - z^{2}$

Now , clearly $a^{2} - b^{2} = (a+b)(a-b)$

$(x + y +z)(x+y-z)$

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Answer 2

x²+2xy+y²-z²=

x²+2xy+y²=z²

(x+y)²=z²...[Since, (x+y)²=(x+2xy+y²)]

Hope this helps you

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