Multiply Complex Numbers (answers in (a + bi) form)

 $-3i\left(9-6i\right)$  

Evaluate responses using AI:

OFF

 $-11i\left(3+9i\right)$  

Evaluate responses using AI:

OFF

 $\left(2+4i\right)\left(3+3i\right)$  

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OFF

 $\left(-3-7i\right)\left(-12-2i\right)$  

Evaluate responses using AI:

OFF

 $\left(15+3i\right)\left(4-15i\right)$  

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OFF

 $\left(7-3i\right)\left(7+3i\right)$  

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OFF

 $i\left(4+3i\right)$  

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OFF

 $\left(3+2i\right)^2$  

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OFF

 $-\left(2+2i\right)^2$  

Evaluate responses using AI:

OFF

Explain what this student did wrong:

 $\left(3+6i\right)\left(2-5i\right)$  

 $6-30i$  

Evaluate responses using AI:

OFF