Question

The sum of algebraic expressions (a + b) and (a – b) = ……………​

Answer 1

Step-by-step explanation:

(a + b) + (a - b)

a + b + a - b

rearranging,

a + a + b - b

=> 2a

so the sum of given expressions is 2a

Answer 2

Answer:

a2-b2 is the answer

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