Respuesta :
this turns into
14+4i+21i+6i^2
14+25i+6(-1)
14+25i-6
8+25i is the answer
14+4i+21i+6i^2
14+25i+6(-1)
14+25i-6
8+25i is the answer
Use FOIL
First
Outter
Inner
Last
(7*2)+(7*3i)+(2i*2)+(2i*3i)
=14+21i+4i+6i
=14+31i
So your answer would be 14+31i
First
Outter
Inner
Last
(7*2)+(7*3i)+(2i*2)+(2i*3i)
=14+21i+4i+6i
=14+31i
So your answer would be 14+31i
