If x = 6 is a zero of quadratic polynomial $3 x^{2} - m x - 24$ , then the value of m is __

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Solution

Since, x = 6 is a zero of $3 x^{2} - m x - 24$ , it will satisfy the equation.

$\Rightarrow$ $3 (6)^{2} - m \times 6 - 24 = 0$

$\Rightarrow$ 108 – 6m -24 = 0,

$\Rightarrow$ m = 14.

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If x = 6 is a zero of quadratic polynomial $3 x^{2} - m x - 24$ , then the value of m is __

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