How do you simplify (-6-8i)(-3+8i)?
2 Answers
Jun 6, 2017
Explanation:
You can just multiply everything out as in regular brackets, remembering that
So the expansion of
Jun 6, 2017
Explanation:
"expand the brackets using FOIL"
rArr(-6-8i)(-3+8i)
=18-48i+24i-64i^2larr i^2=-1
=18-24i+64
=82-24i