Solve the following quadratic equation for x:
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( 3x )² - ( 3x )( a² + b² + a² - b² ) + ( a⁴ - b⁴ ) = 0
=> ( 3x )² - ( 3x )( a² + b² ) - ( 3x )( a² - b² ) + ( a⁴ - b⁴ ) = 0
=> ( 3x )( 3x - a² - b² ) - ( a² - b² )( 3x - a² - b² )
=> ( 3x - a² + b² )( 3x - a² - b² ) √√ Done ^_^
Further factorization :->
---> [ 3x - ( a + b )( a - b ) ][ 3x - [ a² + b² ]]
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