7a³-6a²+ 5a-4 from -9a³+4a²-4a+6
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If we have to subtract then refer to the attachment
Otherwise if we have to add
then
-9a³ + 4a² - 4a + 6 + 7a³ - 6a² + 5a - 4
( we have to solve like term )
- 2a³ - 2a² + a + 2
Otherwise if we have to add
then
-9a³ + 4a² - 4a + 6 + 7a³ - 6a² + 5a - 4
( we have to solve like term )
- 2a³ - 2a² + a + 2
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