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Popular >

simplify-2i*(-i)

Solution

simplify

- 2 i \cdot (- i)

Solution

- 2

Solution steps

- 2 i (- i)

Apply rule:

- a (- b) = ab

- 2 i (- i) = 2 ii

= 2 ii

Apply exponent rule:

aa = a^{2}

ii = i^{2}

= 2 i^{2}

Apply imaginary number rule:

i^{2} = - 1

= 2 (- 1)

Multiply the numbers:

2 (- 1) = - 2

= - 2

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Frequently Asked Questions (FAQ)

What is simplify-2i*(-i) ?
The solution to simplify-2i*(-i) is -2