Question

if x=2 is the zero of a polynomial x^2+3x+k, find the value of k​

Answer 1

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X² + 3x + k

= (2²) + 3(2) + k

= 4 + 6 + k =0

10 + k =0

k = -10

Answer 2

Answer:

given x= 2

Now,x2+3x+k = 0

(2)2+3(2) + k = 0

4+6+k = 0

k = -10...

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