Question

expand (7m mines 4)2

Answer 1

Heya mate____!!!!

Here's your answer____==>>

Question --- ( 7m - 4 ) ^2

( 7m - 4 ) ^2

By using identity ==>>
( a - b ) ^2 = a ^2 + b ^2 - 2ab

( 7m ) ^2 + ( -4) ^2 - 2 × ( 7m ) ( -4 )

49m ^2 + 16 - 56m is your answer

In standard form => 49m ^2 - 56m + 16

Hope it will help you____☆▪☆

Thanks____^_^

Answer 2

Hello friends!!

Here is your answer :

${(7m - 4)}^{2}$


Using identity :

( a - b)² = a² + b² - ab


${(7m)}^{2} + {(4)}^{2} - 2(7m)(4)$


$49 {m}^{2} + 16 - 56m$


Hope it helps you...

☺️☺️☺️☺️

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