Question

(8+√5)(8-√5)

Answer 1

8^2-sqrt5^2
64-5
59

Answer 2

where did you get the 2 from

Answer 3

\[(a+b)(a-b)=a^2-b^2\]

\[(8+\sqrt5)(8-\sqrt5)=8^2-(\sqrt5)^2\]
\[=64-5\]
\[=59\]

Answer 4

thats the difference of two squares. u made it so complex for her

Answer 5

its not her its him and i understand it.

Answer 6

its not complex
its easy

Answer 7

thank you mathematicalpro

Answer 8

yw :)

Answer 9

ohhh im sorry