Answer:
10: (2m+12)(2m+12)
11: (2r-12)(2r-12)
Explanation:
4m^2+48m+144
all positive so factored also all positive
(2m+12)(2m+12)
4r^2-48r+144
middle value is negative but others are positive. this means two are negative
(2r-12)(2r-12)
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