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coldgirl [10]
3 years ago
6

Multiply (2 − 7i)(9 + 5i). A) 53-53i B) -17-53i C) 18-35i^2 D) 18-53i-36i^2

Mathematics
1 answer:
kenny6666 [7]3 years ago
3 0
(2-7i) (9+5i)

18+10i-63i-35i^2

i^2= -1 so -35*-1= 35

35+18= 53

-63i+10i= -53I

answer is 53-53i
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