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Answer:
Step-by-step explanation: A or the top answer choice. The highes exponent needs to be 2.
Answer:
x2 - 4x - 21
Step-by-step explanation:
Area = (x -7 )(x +3)
= x*x - 7*x + x*3 - 7*3
=x2 - 4x - 21
Answer: 829 3/4 or 829 75/100
Step-by-step explanation: