Answer:
15 - 5x = 5 · 3 - 5 · x = 5(3 - x)
10(x-5)=-80
10x-50=-80
+50 +50
10x=-30
/10 /10
x=-3
Is that the work you did on it already?
Answer:
B
Step-by-step explanation:
8x^2+x+3 follows the rules of being a polynomial due to the three terms being added to each other, and that they are in descending order.
