Simplify the expression, if possible. State the excluded values, if any. 5x - 5/10x^2 - 25x + 15



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Posted on (Answer #1)

Simplify `(5x-5)/(10x^2-25x+15)` :

Factor the numerator ans denominator:



Use the multiplicative inverse and multiplicative identity properties to "cancel" same terms in numerator and denominator.


This agrees with the original expression at every x except `x=3/2,x=1`

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