Question

1- y2 - 2yz - z2 factories​

Answer 1

Step-by-step explanation:

1- y2 - 2yz - z2

= 1-(y2 + 2yz + z2)

= 1- (y+z)^2

= (1)^2-(y+z)^2

= (1+y+z)(1-y-z)

Answer 2

Answer:

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