latresa31s
Junior Member
- Joined
- Sep 4, 2005
- Messages
- 135
(5a^3 – 2a^2) + (– 7 – 5a^3) – (– 2a^2 + 2a)
=[(5a^3 -5a^3)] + [(-2a^2-2a^2)] -(-7) - (2a)
=[(5-5]a^3] + [(-2-2)a^2] - (-7) - (2a)
=a^3 +a^2 -7 -2a
= a^3 +a^2 -7 -2a
=[(5a^3 -5a^3)] + [(-2a^2-2a^2)] -(-7) - (2a)
=[(5-5]a^3] + [(-2-2)a^2] - (-7) - (2a)
=a^3 +a^2 -7 -2a
= a^3 +a^2 -7 -2a