I need help writing these complex numbers in a standard form. 1) 3i(2 +5i) + 2i(3 - 4i) 2) (3 + sqrt (-4) )(2 - sqrt (-9) ) 3) (4 - 8i)/4i

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Chapter6: Topics In Analytic Geometry
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I need help writing these complex numbers in a standard form.

1) 3i(2 +5i) + 2i(3 - 4i)

2) (3 + sqrt (-4) )(2 - sqrt (-9) )

3) (4 - 8i)/4i

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