Question

If 3 is one of the zeroes of quadratic polynomial p(x): x + 3x + kx - 24, then k =​

Answer 1

Step-by-step explanation:

answer k=4 hope it will help u

Answer 2

Given:

• x = 3
• P(x) = x + 3x + kx - 24

To Find:

• Value of k

Solution:

Putting x = 3

$\sf \: P(3) = 3 + 3(3) + k(3) - 24 \\ \sf \: 0 = 3 + 9 + 3k - 24 \\ \sf - 3k = - 12 \\ \boxed { \sf \red{ k =4}}$

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