factorise each of the following
64a*-27b*-144a*b+108ab*
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Hi ,
It may be like this
64a³ - 27b³ - 144a²b + 108ab²
= ( 4a )³ - ( 3b )³ - 3 × ( 4a )² ×3b + 3 × 4a×( 3b)²
= ( 4a - 3b )³
= ( 4a - 3b ) ( 4a - 3b ) ( 4a - 3b )
I hope this helps you.
: )
It may be like this
64a³ - 27b³ - 144a²b + 108ab²
= ( 4a )³ - ( 3b )³ - 3 × ( 4a )² ×3b + 3 × 4a×( 3b)²
= ( 4a - 3b )³
= ( 4a - 3b ) ( 4a - 3b ) ( 4a - 3b )
I hope this helps you.
: )
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