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## Feedback Report 4/10

Correct

Correct

Incorrect

Feedback: Your answer is incorrect. You correctly simplified the expression to '9n', but you forgot to include '-3' in your final answer. The correct answer should be '9n - 3'.

Incorrect

Feedback: Your answer is incorrect. When simplifying the expression, you should distribute the '2' to both terms inside the parentheses. This results in '22b - 6', not '22b + 6'.

Correct

Correct

Incorrect

Feedback: Your answer is incorrect. You correctly simplified the first part of the expression, but made a mistake in the second part. The correct answer should be '74z - 24w', not '64z - 24w'.

## Incorrect

##

## Feedback: Your answer is incorrect. When simplifying the expression, you made a calculation error. The actual result is '56c - 117', not '56c + 117'.

Incorrect

Feedback: Feedback: Your answer is incorrect. You correctly simplified the expression to '-27x^2 + 54x - 9', but then added an extra step that was not necessary. The correct answer should be '-27x^2 + 54x - 9'.

Incorrect

Feedback: Feedback: Your answer is incorrect. When simplifying the expression, you should distribute the '6' to both terms inside the parentheses and remember to change the sign of 'y' because of the negative sign before the parentheses. This results in '-y + 31x + 42', not 'y + 29x + 42'.