Question

Multiply: (1 - 5mn) (1 + 5mn)

Answer 1

Answer:

(1+5mn)(1-5mn)

Step-by-step explanation:

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Answer 2

Answer:

Using the identity (a-b) (a+b)

(a-b) (a+b)

(a^2-b^2)

(1^2-5mn^2)

(1-25 m^2 n^2)