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Factor.\newline9j2−169j^2 - 16\newline______

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Q. Factor.\newline9j2−169j^2 - 16\newline______
  1. Identify as difference of squares: Identify the expression as a difference of squares since it looks like a2−b2a^2 - b^2. 9j2=(3j)29j^2 = (3j)^2 and 16=4216 = 4^2, so 9j2−16=(3j)2−429j^2 - 16 = (3j)^2 - 4^2.
  2. Apply formula: Apply the difference of squares formula: a2−b2=(a−b)(a+b)a^2 - b^2 = (a - b)(a + b). Factor (3j)2−42(3j)^2 - 4^2 into (3j−4)(3j+4)(3j - 4)(3j + 4).

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