Question

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Answer 1

Answer:

The constant of the expression is 7

Step-by-step explanation:

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Answer 2

Answer:

7x and 2x are like terms because they are both "x". ... 3x2 and −2x2 are like terms because they are both "x2". But 7x and 7x2 are NOT like terms (the exponents are different), they are unlike terms.

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