Factorise it ples....... By step

1.	Factorise it ples....... By step
Answer» LET ( 3X + y ) = a 5A^2 + 6a - 8 => 5a^2 + ( 10 - 4 ) a - 8 => 5a^ 2 + 10a - 4a - 8 => 5a( a + 2 ) - 4( a + 2 ) => ( 5a - 4 )( a + 2 ) PUTTING the value of ( a ) => ( 5a - 4 )( a + 2 ) => [ 5( 3x + y ) - 4 ] [ 3x + y + 2 ] => [ 15x + 5y - 4 ] [ 3x + y + 2 ]

Answer»

LET ( 3X + y ) = a

5A^2 + 6a - 8

=> 5a^2 + ( 10 - 4 ) a - 8

=> 5a^ 2 + 10a - 4a - 8

=> 5a( a + 2 ) - 4( a + 2 )

=> ( 5a - 4 )( a + 2 )

PUTTING the value of ( a )

=> ( 5a - 4 )( a + 2 )

=> [ 5( 3x + y ) - 4 ] [ 3x + y + 2 ]

=> [ 15x + 5y - 4 ] [ 3x + y + 2 ]

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Factorise it ples....... By step

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