Question

the (x+2)+(x-2)=__________​

Answer 1

Answer:

2x is write answer

Step-by-step explanation:

=x+2+x-2

=2x+0

=2x

Answer 2

Answer:

slove this by identity

(a+b) = a^2+b^2+2ab

= x^2+4+4x

(a-b) = a^2+b^2-2ab

= x^2+4-2x

equate both the equation

= x^2+x^2+4+4+4x-4x

=2x^2+8

hence answered