2x^2 + 9x = -5

Do i add a 0 to make it a quadratic or is this a polynomail???
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1 Answer

2x^2 +9x+5=0

quadratik equashun giv roots=

-0.649218941 & -3.850781059

-b/2a=-2.25

b^2-4ac=41, sqrt(41)=6.403124237.../2a=1.600781059
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