Câu hỏi
d (1-2 x)/(2 x)+(2 x)/(2 x-1)+(1)/(2 x-4 x^2)
Giải pháp
4.5
(337 Phiếu)
Thanh Hương
thầy · Hướng dẫn 5 năm
Trả lời
1. **Factor out common factors:** - The denominator of the third term can be factored:
2. **Find a common denominator:** - The least common denominator is
.3. **Rewrite each fraction with the common denominator:** -
-
-
(already has the common denominator)4. **Combine the numerators:** -
5. **Simplify the numerator:** -
-
6. **Factor out a 2 from the numerator:** -
7. **Cancel the common factor of 2:** -
**Therefore, the simplified expression is
.**