Subject
Bank Exam
Topic
Bangladesh Krishi Bank 2017 (Sr. Officer)
If (4-x)/(2+x) = x, what is the value of x2+ 3x -4?
If (4-x)/(2+x) = x, what is the value of x2+ 3x -4?
ক)
-1খ)
0গ)
1ঘ)
2Explanation
(4−x)/(2+x)=x or,(4−x)/(2+x)=x or, ( 4−x) =x X (2+x) or,( 4−x) =2x+x2 or, 4−x=2x+x2 or, x2+3x−4=0Related questions
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