question\nsubtract $x^{2}+6x - 10$ from $-8x^{2}-3x$.

Explanation:

Step1: Set up the subtraction

$(-8x^{2}-3x)-(x^{2}+6x - 10)$

Step2: Distribute the negative sign

$-8x^{2}-3x - x^{2}-6x + 10$

Step3: Combine like - terms

$(-8x^{2}-x^{2})+(-3x-6x)+10$ $=-9x^{2}-9x + 10$

Answer:

$-9x^{2}-9x + 10$