Simplify: 9i(2+3i) enter your answer, in standard form, in the box

Standard form is 9(2i-3) or (-27+18i)

Step-by-step explanation:

To solve these type of question we should always keep in mind that i= √(-1)

and i² = (-1)

We have to solve the given form 9i(2+3i).

Now we start solving the question by simplifying the factors

9i(2+3i) = 18i+27i²

⇒ 18i +27(√-1)²

⇒18i +27(-1)

⇒18i-27

⇒9(2i-3)

So the simplified for is 9(2i-3) or (-27+18i)

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