you are taking a typing class and can now type 30 words er minute. set up a proportion to solve for the amount of time it would
2 answers:
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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
factor using quadratic formula
if you have an equation in ax^2+bx+c=0 then you can solve for x using
so input
a=1
b=7
c=2