Question

1.what is the sum or difference? 3x^8-7x^8A.-4x^16B. -21x^8C. -4x^8D. 10x^-8

Answer 1

Answer:

c.

Step-by-step explanation:

Answer 2

To simplify the given equation, you want to combine like terms. Since both terms have x^8, we can add the coefficients and leave the x^8
3x^8-7x^8 (do 3-7)
=-4x^8 so the answer is C

Hope this helps