-3х(2-х)+(3х+1)(х-2)

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вопрос

To simplify this expression, we first distribute the -3 to each term inside the parentheses:

-3(2-x) = -6 + 3x

Next, we distribute the (3x + 1) to each term inside the parentheses:

(3x + 1)(x-2) = 3x^2 - 6x + x - 2

Now we can combine like terms:

-6 + 3x + 3x^2 - 6x + x - 2

Rearranging the terms:

3x^2 + 4x - 8

Therefore, the simplified expression is 3x^2 + 4x - 8.