Simplify; \(\frac{2 - 18m^2}{1 + 3m}\)
MATHEMATICS
WAEC 2018
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
\(\frac{2 - 18m^2}{1 + 3m}\) = \(\frac{2(1 - 9)m^2}{1 + 3m}\)
= \(\frac{2(1 + 3m)(1 - 3m)}{1 + 3m}\)
= \(2(1 - 3m)\)
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