Solve -4i*-i - ScanMath

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Type your math problem... -4i*-i

x

Question

Simplify the expression

- 4

Evaluate

- 4 i (- i)

Rewrite the expression

4 i \times i

Multiply

4 i^{2}

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

4 (- 1)

Solution

- 4

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