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Sagot :

Answer:

7x+2x^2+3x^2+3+x=(7x+x)+(2x^2+3x^2)+3=8x+5x^2+3

Final answer: 8x+5x^2+3

Explanation:

Combining like terms is basically finding similar terms and doing the mathematic operation with them. In this case, the like terms are:

7x and x

2x^2 and 3x^2

3

Before every one of these numbers is a plus sign, so rearranging their order won't change the result.

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