Question

add 2+5√3 and -7-5√3​

Answer 1

Answer:

2+5√3 -7-5√3

2-7

-5

is the answer

Answer 2

2+5√3+(-7-5√3)

$= 2 + 5 \sqrt{3} - 7 - 5 \sqrt{3} \\ = - 5$