Start with your "-
2m2–m+6)+(5m2–8m–1)."
Rewrite this problem in a vertical column, taking care to write like terms over each other:
- 2m2–m+6)
+(5m2–8m–1) OK to remove the parentheses here.
- 2m2–m+6)
+5m2–8m–1
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3m^2 - 9m + 5 is the sum of the two given expressions.
Important: Use " ^ " to denote exponentiation.