In an solution of quadratic equations x²+6x+k =0 is 4 then k =?
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GIVEN :- One zero =x=4
- putting value of x in quadratic equation x²+6x+k=0
X²+6x+k=0
(4)²+6(4)+K=0
16+24+K=0
K= -40
value of K is -40
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