Question

(2+√2)(2-√2) simplify​

Answer 1

Step-by-step explanation:

(2)^2-(√2)^2

4-2

2/

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Answer 2

Answer:

$(x - y)(x + y) = {x}^{2} - {y}^{2} \\ \\ \\ (2 + \sqrt{2} )(2 - \sqrt{2} ) \\ = {2}^{2} + \sqrt{ {2}^{2} } \\ \\ 4 + 2 = 6$

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