Answer:
B. (m-7)²
Step-by-step explanation:
(m-7)(m-7)
m²-7m-7m+49
=m²-14m+49
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Answers & Comments
Answer:
B. (m-7)²
Step-by-step explanation:
(m-7)(m-7)
m²-7m-7m+49
=m²-14m+49