Question

if 2 is the zero of the polynomial x^3+5x^2+kx+10 then find k​

Answer 1

Answer:

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Answer 2

Answer:

(2)*3 + 5(2)*2 + 2k + 10 = 0

8 + 20 + 10 + 2k = 0

2 k = -38

k = -19

hope it helps !!