Answer: 
Step-by-step explanation:
The first thing you must remember is the mulplication of signs. You know that:
You can observe that the number inside the parentheses is positive (+) and the sign that is outside the parentheses is negative (-), therefore, when you multiply these signs you get a negative sign (-). Then you get:
Now, you need to add these numbers. And the result obtained is:
Collect like terms and calculate the sum
answer is: 4x+7
Answer:72
Step-by-step explanation:because idk
The graph is the space between (and including) the lines
... 5x + y = -1
... 5x + y = 11
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➷ Just substitute 3 in:
2(3)^2 = 18
It would be 18
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➶ Hope This Helps You!
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