Solve (7 i)(7-i) - ScanMath

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Type your math problem... (7 i)(7-i)

x

Question

Simplify the expression

7 + 49 i

Evaluate

7 i (7 - i)

Apply the distributive property

7 i \times 7 + 7 i (- i)

Multiply the numbers

49 i + 7 i (- i)

Multiply the numbers

More Steps

Evaluate

7 i (- i)

Multiply

7 (- 1) i^{2}

Multiply

- 7 i^{2}

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

- 7 (- 1)

Calculate

7

49 i + 7

Solution

7 + 49 i

Show Solution

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