Question

find k if one of the roots is -3 of x^2+6x-k=0 plz give correct ans n also explain​

Answer 1

Answer:

9

Step-by-step explanation:

x² + 6x + k = 0

(-3)² + 6 × (-3) + k = 0 [putting x = -3]

9 + (-18) + k = 0

9 - 18 + k = 0

-9 + k = 0

k = 0 + 9

k = 9

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Answer 2

Step-by-step explanation:

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