Which step contains the first mistake? х2—2х-24 x²+6x+8 Simplify: х2+4х-21 x²+9x+14 (х-6)(х+4) (х-3)(х+7) (x+7)(x+2) (x+2)(x+4) Step 1: (x-6)(x+4) (x+7)(x+2) (x-3)(x+7) Step 2: (X+2)(x+4) (x-6) (X-3) Step 3: -6 == 2 -3 a. Step 3 b. Step 2 c. Step 1 d. There is no mistake
Which step contains the first mistake? х2—2х-24 x²+6x+8 Simplify: х2+4х-21 x²+9x+14 (х-6)(х+4) (х-3)(х+7) (x+7)(x+2) (x+2)(x+4) Step 1: (x-6)(x+4) (x+7)(x+2) (x-3)(x+7) Step 2: (X+2)(x+4) (x-6) (X-3) Step 3: -6 == 2 -3 a. Step 3 b. Step 2 c. Step 1 d. There is no mistake
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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
Transcribed Image Text:Which step contains the first mistake?
х?—2х—24
х?+6х+8
Simplify:
х2+4х-21
x²+9x+14
(х-6)(х+4)
(x+7)(x+2)
Step 1:
(х-3)(х+7)
(x+2)(x+4)
(x-6)(x+4) (x+7)(x+2)
(x-3)(x+7)`
Step 2:
(x+2)(x+4)
(X-6)
Step 3:
(X-3)
= 2
-6
3
a. Step 3
b. Step 2
c. Step 1
d. There is no mistake
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