Question

if one root of the equations x² +ac+6=0 is 2 then a=​

Answer 1

Answer:

a = -5

Step-by-step explanation:

$\boxed{Given,} \\\\ {one \ root \ of \ the \ equations \ x^2+ax+6=0 \ is \ 2$

$\boxed{To \ find,} \\\\ a= \ ? \\\\ \boxed{Solution,} \\\\ Put \ x=2, \\\\ =>x^2+ax+6=0\\ (2)^2+2a+6=0\\4+2a+6=0\\2a+10=0\\2a+10=0\\2a=-10\\a=-10/2\\a=-5$