What values of xxx must be excluded from the domain of dfrac7(x−8)(x+9)\\dfrac{7}{(x - 8)(x + 9)}dfrac7(x−8)(x+9)?
x=8x = 8x=8 and x=−9x = -9x=−9
x=−8x = -8x=−8 and x=9x = 9x=9
x=8x = 8x=8 only
x=0x = 0x=0