SOLUTION: Add {{{ 2a^3 - 7a^2 }}} {{{ 7a^3 + 5a^2 }}} {{{ ___________ }}} do I need to combine the like terms and just add them together or do I add the first problem then subtract th

Algebra ->  Exponents -> SOLUTION: Add {{{ 2a^3 - 7a^2 }}} {{{ 7a^3 + 5a^2 }}} {{{ ___________ }}} do I need to combine the like terms and just add them together or do I add the first problem then subtract th      Log On


   



Question 332109: Add
+2a%5E3+-+7a%5E2+
+7a%5E3+%2B+5a%5E2+
+___________+
do I need to combine the like terms and just add them together or do I add the first problem then subtract the second.
please help I am really confused

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Add
+2a%5E3+-+7a%5E2+
+7a%5E3+%2B+5a%5E2+
--------------------- It says Add in the corner. Add like terms.
= 9a%5E3+-+2a%5E2