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For what values of x is the expression \(\frac{3x-2}{4x^2+9x...

For what values of x is the expression 3x24x2+9x9 undefined?

A.

34or3

B.

23or3

C.

23or3

D.

34or3

Correct answer is D

The equation 3x24x2+9x9 is undefined when the denominator = 0.

4x2+9x9=0

4x2+12x3x9=0

4x(x+3)3(x+3)=0

(4x3)(x+3)=0

x = 34 or x = -3.