Answer:
-8x^2+26x-21
Step-by-step explanation:
The eighth multiple of 8 is 64 .
The fifth multiple of 8 is 40 .
Their difference is 24 .
Absolute value of -3 is three, and then it just regular -3 equals -3 so basically whenever you see at -3 in those brackets or any negative number it means absolute value which will always be it’s positive version That negative number
