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10-08-2018
Mathematics

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which factor 25^2+40x+16 and 25x^2-16 have in common

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choixongdong choixongdong

10-08-2018

25^2+40x+16

= (5x + 4)(5x + 4)

and

25x^2-16

= (5x)^2 -(4)^2

= (5x + 4)(5x - 4)

Both have same factor (5x + 4)

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