SUMMER FUN: PROBLEM #1

Level 1

Multiply/Simplify (-4 + 7i)(2 - 3i).

none of the above 13+26i 42+13.6i 26+13i

by Lucia and Emma , 20, USA

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1 solution

X X
Jul 21, 2018

$(-4+7i)(2-3i)=-8+12i+14i+21=13+26i$

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