Asked by Loretta

How do I factor 4x^2-12x+8?
so far I took out the Greatest Common Factor.
4(x^2-3x+2)
What next?
Answered by Katie
do you know how to use the diamond? or were you taught with the FOIL square?
Answered by Loretta
Never heard of diamond. I've heard of FOIL.
Answered by Katie
Then you would use FOIL, and find which two numbers multiply to get 2, and add to get -3
Answered by Loretta
Ok that's what I thought. I tried to do that.
-2 x 1=-2
-2 + 1=-1

2 x 1=3
2+1=3

-1 x 2=-2
-1+2=1

I don't know what other numbers multiply to 2.
Answered by Katie
Try making both 2 and 1 negative
Answered by Loretta
oh wow haha.
I see.
thank you!
Answered by joyce
how do you work the following question out:
if you have a rectangle, whos length is five cm longer than twice it width and has an area of 207com what are the values off the length and width
any help of any kind would be welcome.
thanks.
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