Math, asked by urutsk8650, 1 year ago

factorise 6x^6 - 21x^4 - 12x^2

Answers

Answered by mysticd
2
Solution :

Given ,

6x^6 - 21x⁴ - 12x²

= 3x² [ 2x⁴ - 7x² - 4 ]

= 3x² [ 2x⁴ - 8x² + 1x² - 4 ]

= 3x² [ 2x²( x² - 4 ) + 1( x² - 4 ) ]

= 3x² [ ( x² - 4 )( 2x² + 1 ) ]

= 3x² [ ( x² - 2² )( 2x² + 1 ) ]

= 3x² ( x + 2 )( x - 2 )( 2x² + 1 )

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