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First is (x-7)(x-7) used the FOIL METHOD=x(squared)-14x+49 then (x-7)(x[squared]-14x+49) used the distributive property=x(cube)-21x+147x+343
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Para sa akin ang sagot ay (x-7) (cube) kasi ..
hindi naman pedeng ma factor yang (x-7)(x-7)-(x-7)  dahil trinomial yan at hindi din pedeng magamitan ng FOIL METHOD dahil kung gagamitan mo ng FOIL METHOD edi sana Binomial yan hindi Trinomial .. kaya ang sagot ko ay (x-7)(cube) . at tska pede mo xiang gawing 1 (over) (x-7)(cube) pwede rin pero . dahil 1 na yan hindi mo na pede isulat kasi 1 na yan .. at yan lng ang sagot ko . 

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