factorize it plz 2 3
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2. u² - u + 110
= u² + 10u - 11u + 110
= u ( u + 10 ) - 11 ( u + 10 )
= ( u + 10 ) ( u - 11 ).
3. 6u² - 17u + 12
= 6u² - 9u - 8u + 12
= 3u ( 2u - 3 ) - 4 ( 2u - 3 )
= ( 2u - 3 ) ( 3u - 4 ).
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