Exemplar- Find the unknown value — task. Maths CBSE Mentoring, Class 9 Mentoring product.

If \(x^2 + kx + 6 = (x + 2) (x + 3)\) for all \(x\), then the value of \(k\) is

\(1\)
\(3\)
\(5\)
\(-1\)

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