You can put this solution on YOUR website! (2-4i)(-6+4i)
(-3+2i)(-6-8i)
(8-6i)(-4-4i)
(1-7i)squared
6(-7+6i)(-4+2i)
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Did you want to multiply those?
(2-4i)(-6+4i) = -12 + 8i + 24i -16i^2
= -12 + 32i + 16
= 4 + 32i
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Do the others the same way.