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marta [7]
3 years ago
13

Help quick, i'll give brainliest for whoever answers fastest and correctly!

Mathematics
1 answer:
sukhopar [10]3 years ago
8 0

Answer:

7+22i

Step-by-step explanation:

Since this is like a binomial, you have to apply the foil method

(-2+3i)(4-5i)=-8+10i+12i+15

(the 15 is the product of 3i*-5i)

Now, you combine like terms

-8+15=7

10i+12i=22i

so the expression in a+bi form is 7+22i

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