Prove the divisibility of the following numbers: 51^7−51^6 by 25

Step-by-step explanation:

51^7 - 51^6  =                            => as 51^7 = 51^6 * 51

51^6*51 - 51^6 =                      => factor 51^6 form each terms

51^6(51 - 1)      =                       => as 51 -1 - 50

51^6* 50          =                      => as 50 - 2 * 25

51^6 ( 25*2)

so the original expression is divisible by 25

Step-by-step explanation:

51^6(51-1)

51^6(50)

odd number × even number = even number

50 Is divisible by 25

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step-by-step explanation:

they would have to work 32 hours.