Question 65358
QUESTION

simplify: 2a[5-a(2-3a)-2a]+3a^2



ANSWER:



 2a[5-a(2-3a)-2a]+3a^2



Remove the parenthesis



==> 2a [ 5 -a*2 - a* -3a -2a ] + 3a^2


==> 2a [ 5-2a + 3a^2 -2a ] + 3a^2




==> 2a [ 5 - 4a + 3a^2 ] + 3a^2



==> 2a *5 - 2a * 4a + 2a * 3a^2  + 3a^2



==>  10a  - 8a^2+ 6a^3 + 3a^2



==>  6a^3 -5a^2 + 10a