Question

What is sum
of 1-2√5 and 3+7√5

Answer 1

Answer:

Heya mate!!

The sum of 1-2√5+3+7√5

=15.18033989

May this help u!!

Answer 2

Answer:

$(1 - 2 \sqrt{5} ) \: + (3 + 7 \sqrt{5 \: }) = 4 + 5 \sqrt{5}$