Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 8 - Section 8.2 - The Quadratic Formula - Exercise Set - Page 608: 62

Answer

$x^2-4x+5=0$

Work Step by Step

As we are given that the roots of a quadratic equation as : {$x-2-i,x-2+i$} Let us find a quadratic equation for the given roots: $(x-2-i)(x-2+i)=0$ This implies that after simplifications, we have $(x-2-i)(x-2+i)=0$ or, $(x-2)^2-i^2=0$ or, $x^2-4x+4-(-1)=0$ [ since, $i^2=-1$] Thus, $x^2-4x+5=0$
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