Hello,
Answer C x²-7≠0 ==>(x≠-√7 and x≠√7)
24
The power 0 only affects the x. x^0 = 1
-2 * 1 = -2
25
Here everything inside the brackets is affected by the 0.
(11abx)^0 = 1 There is nothing left over.
26
(xy)^0 = 1
(pq)^0 = 1
1 - 1 = 0
LFX=AZQ
XLF=QAZ
FXL=ZQA
XFL=QZA