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Three students were given the expression shown and were asked to take a common
factor out of two of the terms.
Use the drop-down menus to complete the statements about whether each student's
answer is an equivalent expression. Then choose an expression that is equivalent.

Three students were given the expression shown and were asked to take a common factor out of two of the terms Use the dropdown menus to complete the statements class=

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Chang is incorrect because his factoring results in -21 instead of positive 21.

Benjamin is incorrect because his factoring results in positive 9x instead of -9x.

Habib's answer is incorrect because 4 + 12x is not equivalent to the expression above.

A correct factor would be: 4-3(3x-7)

Juliechu2008

Answer:

Chang-incorrect he did not divide 21 by -3 correctly

bejiman-i got wrong

habib-incorrect he cannot add -9 and 21

4-3(3x-7)

Step-by-step explanation:

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