Answer:
8x^3-5x^2-11x+32
Step-by-step explanation:
//I'll let x = $5, y = $10
x + y = 13
5x + 10y = 90
So, y = 13 - x
5x + 10(13 - x) = 90
5x + 130 - 10x = 90
-5x = -40
x = 8
4028 mi 2< M is the expression you were looking for i think
Answer where
Step-by-step explanation:
