subtract the polynomials

please help having trouble

(-12a^2+3a+3)-(6a^2+3)

1 answer

- 12 a ^ 2 + 3 a + 3 - ( 6 a ^ 2 + 3 ) =

- 12 a ^ 2 + 3 a + 3 - 6 a ^ 2 - 3 =

- 12 a ^ 2 - 6 a ^ 2 + 3 a + 3 - 3 =

- 18 a ^ 2 + 3 a =

3 a ( - 6 a + 1 ) =

3 a ( 1 - 6 a ) =

-3 a ( 6 a - 1 )