Using the foil method find the product x 3 x2 2x 6 nthen i got x3 6x2 36x 18 as

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The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

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Latest book Aptitude Question SOLUTION: using the foil method find the product.(x+3)(x2-2x+6) then i got x3+-6x2+-36x+18 as my answer but my book got x3+x2+18 can u show me how they got that answer or what i did wrong

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(#M40148747) BOOK Numerical Ability question Keep an EYE

using the foil method find the product.(x+3)(x2-2x+6)
then i got x3+-6x2+-36x+18 as my answer but my book got x3+x2+18
can u show me how they got that answer or what i did wrong

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