document.write( "Question 304365: how do i simplify the rational equation : x^2 - 4 over (x+2)(x +1) \n" ); document.write( "
Algebra.Com's Answer #217950 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
x^2-4=(x-2)*(x+2)
\n" ); document.write( "cancel out x+2
\n" ); document.write( "and you have
\n" ); document.write( "(x-2)/(x+1)
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