Question

if one zero of the quadratic polynomial x2+3x+k is 2 then the value of k is​

Answer 1

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F(x) = x² + 3x + k = 0

So, if x = 2

F(2) = 2² + 3(2) + k = 0

4 + 6 + k = 0

10 + k = 0

k = - 10

Answer 2

Answer:

this is the answer of this question