1) a(2a+b)(a+b)-4a(a+b)^2a(2a+b)(a+b) - 4a(a+b)^2a(2a+b)(a+b) - 4a(a+b)(a+b)(a+b)[a(2a+b)-4a(a+b)](a+b)[2a^2 + ab - 4a^2 - 4ab](a+b)[2a^2 - 4a^2 + ab - 4ab](a+b)[-2a^2 - 3ab]-2a^2 - 3ab
2) 3m^2(m-8)+6m(m-8)^23m^2(m-8) + 6m(m-8)^23m^2(m-8) + 6m(m-8)(m-8)3m^2(m-8) + 6m(m^2 - 16m + 64)3m^2m - 24m^2 + 6m^3 - 96m + 3846m^3 - 24m^2 - 96m + 3m^2m + 3846m^3 - 24m^2 - 96m + 3m^3 + 3849m^3 - 21m^2 - 96m + 384
3) (2a+3)(a+5)+(a-1)(a+5)(2a+3)(a+5) + (a-1)(a+5)(2a+3)(a+5) + (a-1)(a+5)(2a^2 + 10a + 3a + 15) + (a^2 + 5 - a - 5)(2a^2 + 13a + 15) + (a^2 - a)2a^2 + 13a + 15 + a^2 - a3a^2 + 12a + 153(a^2 + 4a + 5)3(a + 1)(a + 5)
1) a(2a+b)(a+b)-4a(a+b)^2
a(2a+b)(a+b) - 4a(a+b)^2
a(2a+b)(a+b) - 4a(a+b)(a+b)
(a+b)[a(2a+b)-4a(a+b)]
(a+b)[2a^2 + ab - 4a^2 - 4ab]
(a+b)[2a^2 - 4a^2 + ab - 4ab]
(a+b)[-2a^2 - 3ab]
-2a^2 - 3ab
2) 3m^2(m-8)+6m(m-8)^2
3m^2(m-8) + 6m(m-8)^2
3m^2(m-8) + 6m(m-8)(m-8)
3m^2(m-8) + 6m(m^2 - 16m + 64)
3m^2m - 24m^2 + 6m^3 - 96m + 384
6m^3 - 24m^2 - 96m + 3m^2m + 384
6m^3 - 24m^2 - 96m + 3m^3 + 384
9m^3 - 21m^2 - 96m + 384
3) (2a+3)(a+5)+(a-1)(a+5)
(2a+3)(a+5) + (a-1)(a+5)
(2a+3)(a+5) + (a-1)(a+5)
(2a^2 + 10a + 3a + 15) + (a^2 + 5 - a - 5)
(2a^2 + 13a + 15) + (a^2 - a)
2a^2 + 13a + 15 + a^2 - a
3a^2 + 12a + 15
3(a^2 + 4a + 5)
3(a + 1)(a + 5)