I don't know specifically what the sum and product of an equation is but
factor using quadratic formula
if you have an equation in ax^2+bx+c=0 then you can solve for x using

or

so input
a=1
b=7
c=2



=aprox -0.2984378812836



=aprox -6.7015621187165
(7.8 x 10⁵ meter/hour) x (24 hour/day) x (1 kilometer / 1,000 meter) =
[ (7.8 x 10⁵ x 24 x 1) / (1,000) ] x [ kilometer / day ] = 18,720 km/day
Answer:
118/25 as a fraction hope it helps
it's x ≤ 3 :))) I found it out after realizing what you were asking
Answer:
Jatziry 10%, Kwa 11.1% , Miguel 12.5% , Gina 13%
convert all into percentages