Question 51619
{{{((5+ sqrt(-36))( 1- sqrt(-49)))}}} 
(5+6i)(1-7i) [Use FOIL to multiply]
(5-35i+6i-42i^2) [Remember that (i^2=-1)]
5-35i+6i-(42)(-1)
5-35i+6i+42
47-29i