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How do you simplify #(-6+5i)(7-5i)(6+6i)#?

1 Answer

Jul 21, 2017

#-102(1+i)#

Explanation:

#(-6+5i)(7-5i)(6+6i)=#

#(-42+30i+35i-25i^2)(6+6i)=#

#(-42+65i+25)(6+6i)=#

#(-17+65i)(6+6i)=#

#(-102-102i+390+390i^2)=#

#-102(1+i)#

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