=−9x2−3x10

ax^2+bx+c=0

-9x2-3x+10

x=[-(-3)+_ square root(-3)2-4(-9*10)}/-2(9)

x=3+_ square root(9+360)}/-18

x=(3 _+ 19.2)/-18

(3 _19.2)/-18

x=-16.2/-18

x=0.9 or (3 + 19.2)/-18= 22.2/-18= -1.23

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