Armani1947 Armani1947

04-08-2017
Mathematics

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Which is a factor of 54xy + 45x + 18y + 15?

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04-08-2017

Upon slight rearrangement...

54xy+18y+45x+15 now factor 1st and 2nd pair of terms

18y(3x+1)+15(3x+1) which is equal to

(18y+15)(3x+1) and you can further factor the first binomial factor

3(6y+5)(3x+1)

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