3 years ago

Simplify the expression. (–6i)(–4i) A. –24 B. 24i C. –24i D. 24

Mathematics

1 answer:

Slav-nsk [51]3 years ago

3 0

Answer:

Step-by-step explanation:

$\text{We know:}\ i=\sqrt{-1}\to i^2=-1\\\\(-6i)(-4i)=(-6)(-4)i^2=(24)(-1)=-24$

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