Solve (4-5i)(4 i) - ScanMath

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Type your math problem... (4-5i)(4 i)

x

Question

Simplify the expression

20 + 16 i

Evaluate

(4 - 5 i) \times 4 i

Apply the distributive property

4 \times 4 i - 5 i \times 4 i

Multiply the numbers

16 i - 5 i \times 4 i

Multiply the numbers

More Steps

Evaluate

- 5 i \times 4 i

Multiply

- 5 \times 4 i^{2}

Multiply

- 20 i^{2}

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

- 20 (- 1)

Calculate

20

16 i + 20

Solution

20 + 16 i

Show Solution

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