Question

use suitable identify to get each of the following product

(x+2) (x+2)​

Answer 1

Answer:

kk

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Answer 2

Answer:

okay

(x−2)(x+2)

We can use (x+a)(x+b)=x

2

+(a+b)x+ab identity,

So, a=−2,b=2

= x

2

+(−2+2)x+(−2)(2)

= x

2

+0x−4

= x

2

−4