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Chapter 8: Q 434. (page 844)

In the following exercise, multiply.

-2-5i-4+3i

Short Answer

Expert verified

The value of the expression -2-5i-4+3iis equal to 23+14i.

Step by step solution

01

Step 1. Given information.

An expression is -2-5i-4+3i.-2-5i-4+3i

02

Step 2. Multiply the complex numbers.

Use the property: a+bc+d=ac+ad+bc+bd

So,

-2-5i-4+3i=8-6i+20i-15i2=8-6i+20i+15=23+14i
03

Step 3. Conclusion.

The obtained value is23+14i.

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