Answer:
1 and -7
Step-by-step explanation:
I will check for the answer on that gimme a min
Answer:
2x²y+(x²y-2xy²) = 3x²y-2xy²
(5xy²-x²y) +3x²y = 5xy²-2x²y
4x²y+(x²y+xy²) = 5x²y+xy²
x²y+(-2xy²-4x²y) = -3x²y-2xy²
Step-by-step explanation: there you go
Lou has 800 pennies
Joe has 8 pennies
Therefore they have 808 pennies