Identify the quadratic expression — task. Mathematics CBSE, Class 9 New.

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Which of the following quadratic expression has the factors \((x + 5)\) and \((x -9)\)?

\(x^2 - 14x -45\)
\(x^2 + 4x -45\)
\(x^2 + 14x + 45\)
\(x^2 -4x -45\)

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