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Mathematics, 15.01.2021 23:00 rainboworld3994

Sharina simplified the expression 3(2x – 6 – x + 1)2 – 2 + 4x. In Step 1 she simplified within the parentheses. In Step 2 she expanded the exponent. A table titled Sharina's Work with 1 column and 4 rows. The column is labeled 3(2 x minus 6 minus x + 1) squared minus 2 + 4 x. The first row has entry 3(x minus 5) squared minus 2 + 4 x. The second row has entry 3(x squared minus 10 x + 25) minus 2 + 4x. Rows 3 and 4 are blank.
Which is a possible next step?

Simplify the expression by adding and subtracting from left to right.
Combine like terms within the parentheses.
Combine all x-terms.
Distribute the 3 to each term in the parentheses by multiplying.

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Sharina simplified the expression 3(2x – 6 – x + 1)2 – 2 + 4x. In Step 1 she simplified within the p...
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