Respuesta :
The difference between the expression is [tex]\rm -10x^2-7x+1[/tex].
What is subtraction?
Subtraction is one of the four basic arithmetic operations that is used to find the difference.
Subtract – 2x2 + 3x – 9 from 8x2 + 10x – 10.
The difference between the expression is determined in the following steps given below.
[tex]\rm = -2x^2+3x-9-(8x^2+10x-10)\\\\= -2x^2+3x-9-8x^2-10x+10\\\\= -10x^2-7x+1[/tex]
Hence, the difference between the expression is [tex]\rm -10x^2-7x+1[/tex].
Learn more about subtraction here;
https://brainly.com/question/4319655
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