Solve (3 i)(3-i) - ScanMath

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Type your math problem... (3 i)(3-i)

x

Question

Simplify the expression

3 + 9 i

Evaluate

3 i (3 - i)

Apply the distributive property

3 i \times 3 + 3 i (- i)

Multiply the numbers

9 i + 3 i (- i)

Multiply the numbers

More Steps

Evaluate

3 i (- i)

Multiply

3 (- 1) i^{2}

Multiply

- 3 i^{2}

Use i^{2} = - 1 to transform the expression

- 3 (- 1)

Calculate

3

9 i + 3

Solution

3 + 9 i

Show Solution

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