Answer:
x= -3, x= -3
Explanation:
x²+6x+9
ax²+bx+c=0
where a=1,b=6,c=9
using factorisation method
the two factors are 3 and 3
x²+3x+3x+9=0
x(x+3)+3(x+3)=0
(x+3)(x+3)=0
x+3=0 or x+3=0
x=-3,x= -3
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