Math, asked by Anonymous, 7 months ago

anyone help me with this.need the steps .will mark as brainliest ​

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Answered by 217him217
0

Step-by-step explanation:

= (x²+4y²+z²-2(2xy+xz-yz) )/(x-2y-z)²

= (x-2y-z)²/(x-2y-z)

= x-2y-z

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