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evablogger [386]
3 years ago
12

A student expanded an expression, as shown. Is the student's work correct? Explain why or why not.

Mathematics
2 answers:
saul85 [17]3 years ago
7 0
<span>No, the work is not correct. The distributive property was not used properly to expand the expression. Negative 6 should be multiplied by both terms in the parentheses. The second product should be -6 times -2/13 to get positive 12/13.</span>
alex41 [277]3 years ago
4 0
The work is incorrect.

(-6) multiplies both terms inside parentheses. For some reason, the student changed the sign of that multiplier for the second term. The second term of the result should have a positive sign, the result of multiplying (-6)(-2/13) = +12/13.
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