Question

Solve:. (√2 + 5) (√2 –6)​

Answer 1

Step-by-step explanation:

2-2√6+2√5-30

28-2(√6+√5)

Answer 2

Answer:

$(\sqrt {2} +5) \: ( \sqrt{2} - 5) \\ \\ (a + b)(a - b) = {a}^{2} - {b }^{2} \\ \\ { \sqrt{2} }^{2} - {5}^{2} = 2 - 25 = - 23$