2. Find the roots of 3x -9x + 2 = 0. Solution: 3x2- 9x = 3(x2-3x + 19 3(x-, 4. X1 =- and X2 = 2. 3I2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.10: Partial Fractions
Problem 12E
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x2 + 8x +
(x +)2 =5
and
-5
*X2
-4-V27
-11
-4+ V5
-4+ V27
9.
4.
2.
2. Find the roots of 3x2-9x + 2 = 0.
27
-2+
4
Solution:
3x2 - 9x =
3(x² – 3x +,
27
19
3(x- =
4.
9+V57
%3D
9-V57
and
X2 =
19
12
6
312
Transcribed Image Text:x2 + 8x + (x +)2 =5 and -5 *X2 -4-V27 -11 -4+ V5 -4+ V27 9. 4. 2. 2. Find the roots of 3x2-9x + 2 = 0. 27 -2+ 4 Solution: 3x2 - 9x = 3(x² – 3x +, 27 19 3(x- = 4. 9+V57 %3D 9-V57 and X2 = 19 12 6 312
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