Perimeter of a triangle =sum of all sides
=2x-7+5x-3+2x-2
=2x+5x+2x-7-3-2
=9x-12
The correct answer is [x-1and get;6
Step-by-step explanation:
This is most easily solved by writing the factored form:

Notice how, if we were to substitute -9 for x, the left part would be -9 + 9 = 0. Since (x + 1) × 0 = 0, this makes the function 0. The same logic applies for the right part.
Answer:
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Step-by-step explanation:dddfd
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Answer:
B. 12n=78
Step-by-step explanation: