Question

Simplify 9i(2+3i)

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Simplify the expression
(-5+2i)(3-4i)
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Simplify 4i|-28|

Answer 1

9i(2+3i) = -27+18i

Explanation:

Distribute to get → 9i·2+9i(3i)

Multiply 2 and 9 → 18i+9i(3i)

Simplify → 18i+27i²

Simplify → 18i-27

Reorder → -27+18i

Answer 2

simplify 9i(2+3i):
9i×2=18i
9i×3i=27i

18i+27i