Let the number be x and so x^2 -4 = (x-2)(x+2) when factored which is the difference of two squares.
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the number is 24.. 24 is one less than 25 which is 5 squared when doubled its 48, which is one less than 7 squared (49)
a square number is a number that you multiply the same number like:8.8 = 64 get it
4n-5 (Which is four times a number minus 5)
Find 3 consecutive numbers where the product of the smaller two numbers is 19 less than the square of the largest number.
N = (6*(a 2 )) -18