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Friday, 06 March 2026
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Simplify \(\frac{324 - 4x^2}{2x + 18}\)

Simplify \(\frac{324 - 4x^2}{2x + 18}\)
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  • A 2(x - 9)
  • B 2(9 + x)
  • C 81 - x\(^2\)
  • D -2(x - 9)
Correct Answer: Option D
Explanation:
234 - 4x\(^2\) = 18\(^2\) - (2x)\(^2\) = (18 - 2x)(18 + 2x)

2x + 18 = 2x + 18 = (2x + 18)

18 - 2x = 2(a - x) or -2(x - a)

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