So in order to simplify this, we must get rid of the parentheses. so let's start by changing the minus to addition. -1 and +-1 are the same so we use that principle here.
Now we can distribute the -1 to the inside of the parentheses.
Since we just have addition now, we can drop the parentheses ( left them around the minus two so it was easier to see, but they are not necessary)
combine like terms, (-5 and -2)
-7+2p and you are done!
Let me know if you have any questions!
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