-
A.
x = 2 or 1
-
B.
x = 3 or -1
-
C.
x = 1 or 0
-
D.
x = 1 or 2
Correct Answer: Option B
Explanation
x
2 − 2x − 3 = 0
−3x + x = − 2x
− 3x × x = − 3x
2
(x
2 − 3x)(x − 3) = 0
(x − 3)(x + 1) = 0
Either (x − 3) = 0 or (x + 1) = 0
x = 3 or − 1
There is an explanation video available below.
Report an Error
Ask A Question
Download App
Explanation Video
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}