Answer:
26x-1
Step-by-step explanation:
[tex](10x^{2} -1)+(8x^{2} +8x-8)[/tex]
Solve for exponents
[tex]10^{2} =100\\8^{2} = 64[/tex]
(100x -1)+(64x+8x-8)
100x-1+74x-8
100x-74x= 26x
-8+7=-1
Hope this helps