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Helppppppppppppppppppppppppppppppppppp
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Helppppppppppppppppppppppppppppppppppp

Helppppppppppppppppppppppppppppppppppp-example-1
User Random Human
by
8.8k points

1 Answer

4 votes
Answer:
-16 + 37i

Step-by-step explanation:
Note that i^2 = -1

(4+7i)(3+4i) = 4*3 + 4*4i + 7i*3 + 7i*4i
= 12 + 16i + 21i + 28i^2
= 12 + 37i + 28(-1)
= 12 + 37i - 28
= -16 + 37i

Hope this helps :)
User Simply Brian
by
8.2k points
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