What values of xxx must be excluded from the domain of dfrac8(x−9)(x+10)\\dfrac{8}{(x - 9)(x + 10)}dfrac8(x−9)(x+10)?
x=9x = 9x=9 only
x=9x = 9x=9 and x=−10x = -10x=−10
x=0x = 0x=0
x=−9x = -9x=−9 and x=10x = 10x=10