Answer:
42 - (-24) = 66
Step-by-step explanation:
I'm not sure if this is the form of answer, but if you're subtracting a negative from a negative, you're adding a positive, so this is another way to write the expression.
The answer is d. 8g^6h^4k^12 - h^25k^15
What am i answering? there’s no picture to look at
<h3><em>-2x (to the power of 4) + 10x (to the power of 3) - 21x (to the power of 2) +19x -4</em></h3><h3><em /></h3><h3><em>i didn’t know how to type the powers sorry!</em></h3>