1.

Factories 3(a-2b)²-5(a-2b)​

Answer»

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3 ( a - 2b )² - 5 ( a - 2b )

LET ( a - 2b ) be x .

So , 3 ( a - 2b )² - 5 ( a - 2b )

= 3x² - 5x

= x ( 3X - 5 )

Now , putting the value of x , we get ,

x ( 3x - 5 )

= ( a - 2b ) { 3 ( a - 2b ) - 5 }

= ( a - 2b ) ( 3A - 6b - 5 ) [ Answer ] .


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