We have to evaluate (x+4)^2
Solution
(x+4)2 can be simplified using the identity (a+b)2
(a+b)2= a2 + 2ab +b2
Here a=x and b=4
(x+4)2= x2 + 2 (x) (4) + 42
(x+4)2= x2 + 8 x + 16
We have to evaluate (x+4)^2
(x+4)2 can be simplified using the identity (a+b)2
(a+b)2= a2 + 2ab +b2
Here a=x and b=4
(x+4)2= x2 + 2 (x) (4) + 42
(x+4)2= x2 + 8 x + 16
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BOOK
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