Question

(−3 + 2i) • (2 + i) i keep getting -4+ i

Answer 1

Show me your working

Answer 2

=(-3+2i)(2+i)
=(-6+4i-3i-2)
=i-8

Answer 3

= -8+i
Mixed up the order..

Answer 4

(−3 + 2i) • (2 + i)
-6-3i+4i+2i^2
-6+i +2

Answer 5

remember that i^2 = -1

Answer 6

@Alipooh your last term is 2i^2 as ECE stated, i^2 =-1, so that term = 2*(-1) = -2
then add with -6 = -8 for real part.