Answer:
-3x^2 -15x -30
Explanation:
First you would square the parenthesis, and get x^2 +6x+9 inside the parenthesis, then you would multiply it by the -3 and get -3x^2 -18x-27-3+3x then you combine like terms to get the answer.
-3x^2-15x-30
Follow order of operations
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