3b + 6 = 12
3b = 6
b = 2
Wiki User
∙ 2012-12-13 18:47:21If a + b = 6, what is the value of 3a + 3b?
b = -6
b = -8
20+3b = 20 + 3(-6) = 20-18 = 2
12a + 6b + 6c = 6(2a + b + c)
b3 - 5b2 + 12 = (b - 2)(b2 - 3b - 6)Check:(b - 2)(b2 - 3b - 6)= b(b2 - 3b - 6) - 2(b2 - 3b - 6)= b3 - 3b2 - 6b - 2b2 + 6b + 12= b3 - 5b2 + 12
6+7a+6b
it equals 70
it equals 72. just do 12 X 6
2 x (2a + 3b - 6)
12
6