Friday, 23 September 2022

EXPAND F1

 


Expand 11w(5w + 3 - 11w)

 

Solution

 

= 11w(5w + 3 - 11w)

 

= (11w x 5w) + (11w x 3) - (11w x 11w)

 

= 55w2 + 33w - 121w2

 

= [55w2 - 121w2] + 33w collecting like terms

 

= - 66w2 + 33w

 

= 33w - 66w2 answer

 

 

TRY THIS………..

  

Expand 6a(5a+ 12 - 9a)

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