Math, asked by juvekar2, 15 days ago

Expand ( 7 m - 4 n ) 2 =

Answers

Answered by giribabubadada

0

Answer:

(7m-4n)2=?

(3mn)2=?

6mn=?

Answered by Anonymous

3

Answer:

14 m - 8 n

Step-by-step explanation:

( 7 m - 4 n ) 2

= 2×(7 m) + 2×(- 4 n)

= 14 m - 8 n

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