Answer :
we have
(8 - 5i)(3 - 7i)
Apply distributive property
(8*3)--8*(7i)-3*(5i)+(5i)*(7i)
24-56i-15i+35i^2
Remember that
i^2=-1
so
24-56i-15i+35*(-1)
combine like terms
we have
(8 - 5i)(3 - 7i)
Apply distributive property
(8*3)--8*(7i)-3*(5i)+(5i)*(7i)
24-56i-15i+35i^2
Remember that
i^2=-1
so
24-56i-15i+35*(-1)
combine like terms