Perform the indicated operations on the following polynomials.
Subtract: 6a^3 - 2a^2 + 4 from 5a^3 - 4a + 7
-a^3 + 2a^2 - 4a + 3
( Not so ) step-by-step explantion
subtract like terms
5a^3 - 6a^3 = -a^3
7 - 4 = 3
= -a^3 + 2a^2 - 4a + 3
How did you get -a^3?
