SOLUTION: Choose values of x, then simplify it correctly. 10x^2-30x+20/x^2-1 That's one reason I hate Algebra, I try it to solve a problem a dozen times and still dont understand how to d

Question 150458: Choose values of x, then simplify it correctly.
10x^2-30x+20/x^2-1
That's one reason I hate Algebra, I try it to solve a problem a dozen times and still dont understand how to do it.
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Don't be hatin' ;)

In these types of problems, always try to factor and simplify before grinding the math.

This say x cannot be 1 or -1 or the denominator will be 0

Now pick some easy x values and simplify
x=2 yields 0
You can use any value other than 1 and -1 to grind out answers
gotta luv it

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