SOLUTION: I have to find the excluded values of x^4 - 10x^2 +9 and this is all over x^3 + 4x^2 + 3x

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Question 143284: I have to find the excluded values of x^4 - 10x^2 +9 and this is all over
x^3 + 4x^2 + 3x
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the excluded values are those which would result in the denominator having a value of zero
__ division by zero is a no-no (undefined)

x^3+4x^2+3x=0 __ factoring __ x(x^2+4x+3)=0 __ factoring __ x(x+3)(x+1)=0

x=0

x+3=0 __ x=-3

x+1=0 __ x=-1

0, -3, and -1 are excluded