HSN.CN.A.2: Use the relation i^2 = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.

Also written as N-CN.2 or N.CN.2

Use the relation i^2 = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.

Example Problems
Simplify:
Simplify:
Simplify:
Khan Academy Resources
Complex number operations reviewMultiplying complex numbersPowers of the imaginary unitPowers of the imaginary unitAdd & subtract complex numbersMultiply complex numbersMultiply complex numbers (basic)Powers of the imaginary unitMultiplying complex numbersSubtracting complex numbersAdding complex numbers
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