Respuesta :

here it is step by step, so your answer will be
-18x^2 + 8x-9
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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

26x-1

Hope this helps

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