Question 852978
What's the result of this?   2i * 7+6i=?

Is it: 14i+6? Why? Shouldn't it be: 7+12i^2 ?
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2i * 7+6i = 2i*7 + 2i*61
= 14i + 12i^2
= 14i - 12
= -12 + 14i