factorize 2x²/9-72y²/121
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Hi ,
2x²/9 - 72y²/121
= 2[ x²/9 - 36y²/121 ]
= 2[ ( x²/3² - 6²y²/11² ]
= 2[ ( x/3 )² - ( 6y/11 )² ]
= 2 ( x/3 + 6y/11 )( x/3 - 6y/11 )
[ Since a² - b² = ( a + b )( a - b ) ]
I hope this helps you.
: )
2x²/9 - 72y²/121
= 2[ x²/9 - 36y²/121 ]
= 2[ ( x²/3² - 6²y²/11² ]
= 2[ ( x/3 )² - ( 6y/11 )² ]
= 2 ( x/3 + 6y/11 )( x/3 - 6y/11 )
[ Since a² - b² = ( a + b )( a - b ) ]
I hope this helps you.
: )
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