Question

Which expression is equivalent to (-7-4i)(6+7i)?

Answer 1

-28i^2-73i-42

Explanation:

(−7)(6)+(−7)(7i)+(−4x)(6)+(−4i)(7i)

= −42−49i−24i−28i^2

= -28i^2-73i-42

Answer 2

Explanation:

-14 - 73 i