Question

show that 15³-8³ is divisible by 7​

Answer 1

Step-by-step explanation:

15³ - 8³ = 7³

= 7×7×7 = 343

343 ÷ 7 = 49

it means that 15³ - 8³ is divisible by 7

Answer 2

Answer:

Step-by-step explanation:

Here 3 will be taken common in power

So now (15-8)^3

Now 15-8=7

So it becomes (7)^3

And as we know it is 7*7*7

Which is surely divisible by 7

As 7*7*7/7= 7*7=49

Hope helps u.

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