Answer:
[tex]-3-15i[/tex]
Step-by-step explanation:
[tex](-3+3i)(-2+3i)[/tex]
Multiply the parenthesis. multiply each term in first parenthesis with each term in second parenthesis.
[tex](-3+3i)(-2+3i)[/tex]
[tex]-3(-2+3i)+3i(-2+3i)[/tex]
[tex]6-9i-6i+9i^2[/tex]
The value of i^2 is -1
[tex]6-9i-6i+9(-1)[/tex]
[tex]6-15i-9[/tex]
[tex]-3-15i[/tex]
