Question

If x = 3i, y = 2i, and z = m + i, the expression xyz equals

1.) -12-12mi
2.)-6-6mi
3.)12-12mi
4.)6-6mi

Answer 1

Explanation:

I am assuming that i = √(-1)

3i*2i*(m + i)

= 6i^2(m + i)

= -6(m+ i)

= -6m - 6i.