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Mathematics 9 Online
OpenStudy (anonymous):

Factor completely 25x^2– 144 Answer (5x – 12)(5x + 12) (12x – 5)(12x – 5) (12x – 5)(12x + 5) (5x – 12)(5x – 12)

OpenStudy (anonymous):

(5x – 12)(5x + 12)

OpenStudy (anonymous):

(5x – 12)(5x + 12) Notice to get 25x^2, u need both factors to have the term 5x. so it eliminates 2 options already. And because there is no term with x. both factors have to have opposite signs. + and -

OpenStudy (anonymous):

ohh i see

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