Question

(x+4) ​^2 ​​−(x+8)^ ​2 ​​ please sir

Answer 1

$\textbf{Hey}$!

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$Identity - {a}^{2} - {b}^{2} = (a + b) (a - b) \\ \\ Here \: a = x + 4 , b = x + 8 \\ \\ Putting \: values \\ \\ ((x + 4 )+( x + 8))× ((x + 4) - (x + 8))\\ \\ (2x + 12)(x+ 4 - x - 8) \\ \\ (2x + 12 )(-4) \\ \\ -8x - 48 \\ \\ -8x = +48 \\ \\ x =- 6$

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Answer 2

hope this will help you