Posted by **Betty C** on Tuesday, June 1, 2010 at 9:46pm.

The problem is factoring completely

4xX^2-20x-24

4(X^2-5x-60

4(x-6)(x+1)

12x^2-75

3(X^2-25)=3(X-25)(x+3)

Can someone check these problem for me please.

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