ʜᴇy ᴜꜱᴇʀ ʜᴇʀᴇ ɪꜱ yᴏᴜʀ ᴀɴꜱᴡᴇʀ :- ----------------------------------------------------------x² - X - 156 = x² - 13x + 12X - 156 = x( x - 13 ) + 12 ( x - 13 ) = ( x - 13 )( x + 12 )
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