9
-2 1/5
2asquared plus 9a plus 4=0
3 answers
so cool
2a^2+9a+4=0
2a^2+a+8a+4=0
a(2a+1)+4(2a+1)=0
(2a+1)(a+4)=0
a=-1/2 and a=-4
2a^2+a+8a+4=0
a(2a+1)+4(2a+1)=0
(2a+1)(a+4)=0
a=-1/2 and a=-4