Question

simplify the expression (5-√2)(5+√2)​

Answer 1

Answer:

Step-by-step explanation:

(5-√2)(5+√2) ​= 25 + 5√2 - 5√2 - 2

              =25 - 2

please mark me brilliant.

Answer 2

Answer:

Step-by-step explanation:

Lets say that 5 is a and √2 is b. Then,

we get (a-b)(a+b)

Now a² - b² = (a-b)(a+b) This is a formula you need to remember

Now put the values of a and b in a² - b². We get,

5² - √2² = 25 - 2 = 23

Hope this helps !

Mark as brainliest !!