Simplify \(\frac{2-18m^2}{1+3m}\)
MATHEMATICS
WAEC 1999
Simplify \(\frac{2-18m^2}{1+3m}\)
- A. \(2(1+3m)\)
- B. \(2(1+3m^2)\)
- C. \(2(1-3m)\)
- D. \(2(1-3m^2)\)
Correct Answer: C. \(2(1-3m)\)
Explanation
\(\frac{2-18m^2}{1+3m}=\frac{2(1-(3m)^2)}{1+3m}\\
\frac{2(1-(3m)(1+3m)}{1+3m}=2(1-3m)\)
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