Question

What is equivalent to 4b?
A)b+2(b+2b)
B)3b+b
C)2(2b)

Answer 1

B) 3b+b

C) 2(2b)

Explanation:

A)b+2(b+2b)=b²+2b²+2b+4b=3b²+6b

B)3b+b=4b

C)2(2b)=4b

Answer 2

C) 2(2b)
Not a or b or c