Question

√25+3√-4+2√-9-√-144​

Answer 1

$\sqrt{25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} - \sqrt{ - 144 } \\ 5 + 3( - 2) + 2( - 3) - ( - 12) \\ 5 - 6 - 6 + 12 \\ = 5$