Question

Simplify.
ws
(-2i)(2 – 7i)
[?]+[li

Please help

Answer 1

`\boxed{\sf -14-4i}`

Explanation:

`\sf (-2i)(2-7i)`

Multiply -2i * 2-7i:-

`\sf -2i* 2-2(-7)i^2`

i^2 is -1

`\sf -2i* 2-2(-7)(-1)`

Now, do the multiplications.

Reorder the terms.

`\sf -14-4i`

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