Answer:
-3x^3+7y^2+9y
Step-by-step explanation:
y - y² + 4y + 7y² – 3 x3 + y² + 4y
Combine Like Terms:
=y+−y2+4y+7y2+−3x3+y2+4y
=(−3x3)+(−y2+7y2+y2)+(y+4y+4y)
=−3x3+7y2+9y
It’s not 50 points and what is the question
Answer:
36 and 20
Step-by-step explanation:
let x = one number
let y = second number
set up system of equations:
x + y = 56
x - y = 16
add the two equations to get: 2x = 72
therefore, x = 36 and y = 20
Answer:233
Step-by-step explanation:cause i said so
Answer:
i think it's 8 because 3 and 5 are prime numbers & 8 is composite
Step-by-step explanation: