Posted by Lea on Thursday, March 7, 2013 at 8:26pm.
multiply using FOIL and identify values of a, b, & c.
(5x +5)(6x  8)

algebra  Candy, Thursday, March 7, 2013 at 8:34pm
30x^210x10
And what do you mean about the values of a,b,and c

algebra  Lea, Thursday, March 7, 2013 at 8:36pm
That's just the way the question was asked?

algebra  Damon, Thursday, March 7, 2013 at 8:36pm
30 x^2 10 x  40
a = 30
b = 10
c = 40

algebra  Lea, Thursday, March 7, 2013 at 8:37pm
Thanks!

algebra  Damon, Thursday, March 7, 2013 at 8:38pm
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.
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