Answer:
the first one
Step-by-step explanation:
the answer is 15x+3=3(5x+1)
The point (-5, 6) is located in the second quadrant
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Answer: -a2 - 2ab - b2 + 25 =
-1 • (a2 + 2ab + b2 - 25)
Final result :
-a2 - 2ab - b2 + 25
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