Math, asked by pankaj8963, 11 months ago

Q3.
Simplify: (2x-y-z)2 - (2x+y+z)?
Find the value of x if
pqx = (3p+q)-(3p-91

Answers

Answered by geetarawat3676

0

Answer:

4x^2+y^2+z^2-4xy+2yz-4xy-2x-y-z

X=1/p-91/pq

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