   # Find all solutions of the equation. 23. z 2 + z + 2 = 0 ### Multivariable Calculus

8th Edition
James Stewart
Publisher: Cengage Learning
ISBN: 9781305266643

#### Solutions

Chapter
Section ### Multivariable Calculus

8th Edition
James Stewart
Publisher: Cengage Learning
ISBN: 9781305266643
Chapter G, Problem 23E
Textbook Problem
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## Find all solutions of the equation.23. z2 + z + 2 = 0

To determine

To find: The solution of the equation z2+z+2=0.

### Explanation of Solution

The solution of the quadratic equation ax2+bx+c=0 where, a0 is x=b±b24ac2a.

Simplify the expression z2+z+2=0 as follows.

Here, the value of a=1,b=1andc=2.

z2+z+2=0z=1±124(1)(2)2z=1±−<

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