Question

In the solution, 3b + 9c = 3(b + 3). What should be done to make it CORRECT?

Answer 1

Answer:

The second term of the binomial factor should be 3c instead of 3.

Step-by-step explanation:

Distributive property:

a*b + a*c = a*(b +c)

3b + 9c = 3*b + 3* 3 *c = 3*(b + 3c)