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Type your math problem... 9-i7i

x

Question

Simplify the expression

16

Evaluate

9 - i \times 7 i

Multiply the terms

More Steps

Multiply the terms

i \times 7 i

Multiply the numbers

7 i \times i

Multiply

7 i^{2}

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

7 (- 1)

Calculate

- 7

9 - (- 7)

If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses

9 + 7

Solution

16

Show Solution

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