Posted by Shawn on Sunday, November 9, 2008 at 7:32pm.
let f(x) = 12x^2 +7x10. Find x such that f(x)=0
a.) 4/5, 5/3
b.) 5/4, 2/3
c.) 2/5, 5/3
d.) 5/3, 2/3
I think I have it. I was able to factor out 12x^2 +7x10 to
(4x+5) (3x2)=0
The answer is 5/4 and 2/3
right?

Math help update  bobpursley, Sunday, November 9, 2008 at 7:35pm
correct.

Math help update  Reiny, Sunday, November 9, 2008 at 7:35pm
correct

Math help update Thanks  Shawn, Sunday, November 9, 2008 at 7:35pm
Thanks
Answer This Question
Related Questions
 math  The rectangle given has a perimeter of 14 units. Find the value(s) of x ...
 Algebra  I'm not sure how to factor 3x^312x^2+3x. I tried separatring the 3x ...
 Algebra. Please check my answers  Evaluate a/b+c^d for a=6,b=3,c=4 and d=5 A.42...
 Calculus!! HELP!!  1) The sides of the triangle shown increase in such a way ...
 algebra1  could you walkthrough the steps to solving this problem because I am...
 algebra2  1/3  5/6 = 1/X SOLVE 1/3  5/6 = 1/X Let's remove the denominators ...
 calc  What is dy/dx of y=12/12Xy^3 ???? Any idea anyone??? y=12/12Xy^3 I ...
 algebra  24x^412x^3+48x^2/4x 24x^412x^3+12(1) 24x^412x^3+(12x) 2x^412x^3...
 algebra  5x 3 = 11 + 12x combine like figures add 3 to both sides to remove ...
 Math  what is the greatest common factor of 12x and 36? im confused, would it ...
More Related Questions