Posted by Anonymous on Tuesday, April 27, 2010 at 10:23pm.
*simplify by combining like terms, if possible. then, remove the GCF and factor fully.
...i'm not sure what to do after that, could you help and show the steps please
- math - Ana, Tuesday, April 27, 2010 at 11:11pm
3x^2-21x+36 GCF: 3, so divide the whole thing by 3.
(What two #s add up to -7 and multiplied equal 12? 3 and 4)
[x^2-4x] - [3x+12]
x(x-4) - 3(x-4)
x-4= 4 x-3= 3 Answer X=3 and 4
- math - Reiny, Tuesday, April 27, 2010 at 11:17pm
I thought it said, factor fully.
3x^2 - 21x + 36 , which is correct
= 3(x^2 - 7x + 12)
nothing was said about "solving" the equation, since there was no equation.
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