About squaring any whole numbers ending with 5

For example 75 sq is 5625 and 85 sq is 7225 and so.We can see that every sq is ending by 25.Not only that, the other numbers except 25 is equal to the product of the first number and 1+the number. For example 75,7(7+1)=56,and just place 25.Therefore 5625.This best applicable for whole numbers.

Note by Shakil Md Resvy
4 years, 1 month ago

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  Easy Math Editor

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