Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.2: Solving Equations
Problem 7ECP
Related questions
Question
Explain how to solve x2 + 6x + 8 = 0 by completing the square.
Expert Solution
Given,
To complete the square, add square of the half of the coefficient of x on both sides.
Here, co-efficient of x is 6.
Half of it is 3.
Square of 3 is 9.
So add 9 on both sides, we get
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