In algebra, when you have the expression "3b + b," you can simplify it by combining like terms. In this case, the like terms are both terms with the variable "b." So, 3b + b is equal to 4b. This is because you are adding the coefficients (3 and 1) together while keeping the variable "b" the same.
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This expression can be factored. ab + 3a + b2 + 3b = a(b + 3) + b(b + 3) = (a + b)(b + 3)
3a+ax+3b+bx = 3(a+b)+(a+b)x = (a+b)(3+x)
Gathering like terms together, this is equal to 5a + 3b + 7c.
a+b+2+3=5+a+b
It is: 4b+6