Question

for what value(s) of x is the expression 2x(x-3) undefined?
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(x+ 4)(x^2 - 9)

A. -4,9
B. -4, -3, 0, 3
C. -4, 0, 3, 9
D. -4, -3, 3

Answer 1

\[\frac{1}{(x+4)(x^2-9)}?\]

Answer 2

D, those values make the denominator 0.

Answer 3

Thanks
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