Question

simplify (5+√6)(5-√6)​

Answer 1

Answer:

19

Step-by-step explanation:

(a+b)(a-b) = $a^{2} - b^{2}$

so, (5+√6)(5-√6)​ = $5^{2} - (\sqrt{6})^{2}$

    = 25 - 6

    = 19