Question

if one of the zero of polynomial 3x^2+5x+k is a -1,then find out the value of k

Answer 1

3x2+ 5x +k = -1

(3x2+ 5x) +1 =k

x(9x + 5) +1 =k

(9x+5) ( x +1 ) = k

Answer 2

here is your answer

THANKS