addiemaygulley2835
10.04.2021 •
Mathematics
Evaluate the expression when m=3. m 2 - 5m + 7
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Ответ:
-2
Step-by-step explanation:
Substitute 3 for m: (3)2 - 5(3) + 7
Simplify: 6 - 15 + 7
Follow PEMDAS and subtract 6 from 15: -9 + 7
Add: -2
Hope this helps ^-^
Ответ:
You said m = 3.
Replace every m you see with 3.
m^2 - 5m + 7
(3)^2 -5(3) + 7
9 - 15 + 7
-6 + 7 = 1
Answer is 1.
Ответ: