Posted by Lea on .
multiply using FOIL and identify values of a, b, & c.
(5x +5)(6x  8)

algebra 
Candy,
30x^210x10
And what do you mean about the values of a,b,and c 
algebra 
Lea,
That's just the way the question was asked?

algebra 
Damon,
30 x^2 10 x  40
a = 30
b = 10
c = 40 
algebra 
Lea,
Thanks!

algebra 
Damon,
I assume it means a, b and c in quadratic formula
if
a x^2 + b x + c = 0
then
x = [ b +/ sqrt (b^24ac) ] / 2a
Which I used to factor the expression in your question Lea.