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13-04-2020
Mathematics

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write in the form a+bi. 4i(-I+3)-3(6-2i)

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sqdancefan sqdancefan

13-04-2020

Answer:

-14 +18i

Step-by-step explanation:

Collect terms as if i were a variable, then replace any i² with -1.

4i(-i +3) -3(6 -2i) = -4i² +12i -18 +6i = 4 -18 +12i +6i

= -14 +18i

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