Math, asked by zaryabgoraya727, 3 months ago

Perform the indicated operations and simplify (x-y-z) (x+y+z)​

Answers

Answered by KishanKumar0001
0

Answer:

x²-y²-z²-2yz

Step-by-step explanation:

simple

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

=>(x)²-(y+z)²

=>x²-y²-z²-2yz

Thanks

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Answered by Anonymous
1

Step-by-step explanation:

\sf \: (x - y - z)(x + y + z) \\\sf x(x + y + z) - y(x + y + z) - z(x + y + z) \\  \\ \sf {x}^{2}  + xy + xz - xy -   {y}^{2}  - yz - xz - yz -  {z}^{2}  \\  \\\sf cancelling \: and \: adding \: like \: terms \\  \\\sf  {x}^{2}  -  {y}^{2}  -  {z}^{2}  - 2yz

As per the question, answer is correct

hope it helps u

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