Show all work to multiply quantity 2 plus the square root of negative 25 end quantity times quantity 4 minus the square root of negative 100 end quantity

Question

Show all work to multiply 

Answer 1

(2+sqr-25)(4-sqr-100)

= (2+5i)(4-10i)

Use FOIL, multiply First, Outside, Inside, Last

= 2(4) +2(-10i) + 5i(4) + (5i)(-10i)

= 8 -20i+20i +50

= 58