2a + 4b
Add them together: 2a+5a = 7a
2a + 11a - 5a = 8a
-6(a-3b-9c)
5a + 4b - 3a =(5a - 3a) + 4b =2a + 4b =2 (a + 2b)
3a4 - 2a2 + 5a - 10 - 2a4 + 4a2 + 5a - 2 = a4 + 2a2 + 10a - 12 = a4 + (2a - 2)(a + 6)
Add them together: 2a+5a = 7a
2a² + 6a
2a + 10 + 5a - 2 = (2a + 5a) + (10 - 2) = 7a + 8
2a + 11a - 5a = 8a
5a + 11
-6(a-3b-9c)
5a + 4b - 3a =(5a - 3a) + 4b =2a + 4b =2 (a + 2b)
6+7a+6b
3a4 - 2a2 + 5a - 10 - 2a4 + 4a2 + 5a - 2 = a4 + 2a2 + 10a - 12 = a4 + (2a - 2)(a + 6)
5a³ - 4ab + 2a³ = (5+2)a³ - 4ab = 7a³ - 4ab.
2a + 3a + 4 = 5a + 4
To simplify the expression ( b + 5a + 7 - 3a - 2 + 2b ), first combine like terms. The ( b ) terms are ( b + 2b = 3b ), and the ( a ) terms are ( 5a - 3a = 2a ). For the constant terms, combine ( 7 - 2 = 5 ). Thus, the simplified expression is ( 3b + 2a + 5 ).