x+3 x-3 2x + 5. A student simplified the expression 4 6 and gets the answer 12. What did the student probably do wrong to get this answer? What should the answer have been?
x+3 x-3 2x + 5. A student simplified the expression 4 6 and gets the answer 12. What did the student probably do wrong to get this answer? What should the answer have been?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:x-3
2x
6 and gets the answer 12. What did the
5. A student simplified the expression
student probably do wrong to get this answer? What should the answer have been?
x + 3
4
+
Expert Solution
Step 1: What to do
For addition two fractions with different denominators, we have to make denominators same using equivalent fraction concept.
To do this, we need to find the LCM (Least Common Multiple) of two denominators.
Step by step
Solved in 3 steps with 5 images
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