Plug in the -1 inside the given equation:
y=2x²-5x+9-78-38-18-1
y=2(-1)²-5(-1)-126= -119
Answer:
b
Step-by-step explanation:
x=2
Answer:
$7.50
Step-by-step explanation:
Just subtract.
Answer:
-4x²y + 17xy² - 15xy
Step-by-step explanation:
Step 1: Write out expression
6x²y + 8xy² - 10x²y - 15xy + 9xy²
Step 2: Combine like terms (x²y)
-4x²y + 8xy² - 15xy + 9xy²
Step 3: Combine like terms (xy²)
-4x²y + 17xy² - 15xy
I think it would be b because that is what the french explores did back then
